SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Bowflex Inc. – ‘10-Q’ for 12/31/23 – ‘EX-101.DEF’

On:  Tuesday, 2/20/24, at 7:30pm ET   ·   As of:  2/21/24   ·   For:  12/31/23   ·   Accession #:  1078207-24-19   ·   File #:  1-31321

Previous ‘10-Q’:  ‘10-Q’ on 11/14/23 for 9/30/23   ·   Latest ‘10-Q’:  This Filing   ·   3 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

  As Of               Filer                 Filing    For·On·As Docs:Size

 2/21/24  Bowflex Inc.                      10-Q       12/31/23   88:7.5M

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.51M 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     27K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     27K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     24K 
10: R1          Cover Page                                          HTML     76K 
11: R2          Condensed Consolidated Balance Sheets (Unaudited)   HTML    143K 
12: R3          Condensed Consolidated Balance Sheets (Unaudited)   HTML     39K 
                (Parentheticals)                                                 
13: R4          Condensed Consolidated Statements of Operations     HTML    151K 
                (Unaudited)                                                      
14: R5          Condensed Consolidated Statements of Comprehensive  HTML     43K 
                (Loss) Income (Unaudited)                                        
15: R6          Condensed Condensed Consolidated Statements of      HTML     26K 
                Comprehensive Income (Unaudited) (Parentheticals)                
16: R7          Condensed Consolidated Statements of Stockholders'  HTML    119K 
                Equity (Unaudited)                                               
17: R8          Condensed Consolidated Statements of Stockholders'  HTML     26K 
                Equity - Parenthetical (Unaudited)                               
18: R9          Condensed Consolidated Statements of Cash Flows     HTML    159K 
                (Unaudited)                                                      
19: R10         General Information                                 HTML     37K 
20: R11         NYSE Delisting Notification                         HTML     25K 
21: R12         Discontinued Operations                             HTML     25K 
22: R13         Restructuring and Exit Charges                      HTML     35K 
23: R14         Revenues                                            HTML     70K 
24: R15         Asset Impairment Charge                             HTML     25K 
25: R16         Fair Value Measurements                             HTML     69K 
26: R17         Derivatives                                         HTML     44K 
27: R18         Inventories                                         HTML     30K 
28: R19         Property, Plant and Equipment                       HTML     48K 
29: R20         Goodwill and Other Intangible Assets                HTML     47K 
30: R21         The Sale of Shares In Equity Investments            HTML     26K 
31: R22         Leases                                              HTML    149K 
32: R23         Capital Stock                                       HTML     36K 
33: R24         Accrued Liabilities                                 HTML     34K 
34: R25         Product Warranties                                  HTML     34K 
35: R26         Accumulated Other Comprehensive Loss                HTML     46K 
36: R27         Loss Per Share                                      HTML     54K 
37: R28         Segment and Enterprise-wide Information             HTML     83K 
38: R29         Borrowings                                          HTML     32K 
39: R30         Commitments and Contingencies                       HTML     30K 
40: R31         General Information (Policies)                      HTML     35K 
41: R32         Restructuring and Exit Charges (Tables)             HTML     33K 
42: R33         Revenues (Tables)                                   HTML     69K 
43: R34         Fair Value Measurements (Tables)                    HTML     58K 
44: R35         Derivatives (Tables)                                HTML     46K 
45: R36         Inventories (Tables)                                HTML     31K 
46: R37         Property, Plant, and Equipment (Tables)             HTML     49K 
47: R38         Goodwill and Other Intangible Assets (Tables)       HTML     63K 
48: R39         Leases (Tables)                                     HTML     87K 
49: R40         Accrued Liabilities (Tables)                        HTML     34K 
50: R41         Product Warranties (Tables)                         HTML     32K 
51: R42         Accumulated Other Comprehensive Loss (Tables)       HTML     45K 
52: R43         Loss Per Share (Tables)                             HTML     54K 
53: R44         Segment and Enterprise-wide Information (Tables)    HTML     82K 
54: R45         General Information (Details)                       HTML     40K 
55: R46         Restructuring and Exit Charges (Details)            HTML     34K 
56: R47         Revenues (Details)                                  HTML     57K 
57: R48         Asset Impairment Charge (Details)                   HTML     32K 
58: R49         Fair Value Measurements (Details)                   HTML     58K 
59: R50         Fair Value Measurements - Schedule of Unobservable  HTML     37K 
                Inputs (Details)                                                 
60: R51         Derivatives - Fair value of derivative instruments  HTML     29K 
                (Details)                                                        
61: R52         Derivatives - Effect On Condensed Consolidated      HTML     33K 
                Statements of Operations (Details)                               
62: R53         Inventories (Details)                               HTML     29K 
63: R54         Property, Plant and Equipment (Details)             HTML     57K 
64: R55         Property, Plant and Equipment - Depreciation        HTML     25K 
                Expense (Details)                                                
65: R56         Goodwill and Other Intangible Assets (Details)      HTML     50K 
66: R57         Goodwill and Other Intangible Assets - Patent       HTML     25K 
                amortization (Details)                                           
67: R58         Goodwill and Other Intangible Assets - Future       HTML     38K 
                intangible amortization (Details)                                
68: R59         The Sale of Shares In Equity Investments (Details)  HTML     33K 
69: R60         Leases - Additional information (Details)           HTML     27K 
70: R61         Leases - Lease Cost (Details)                       HTML     29K 
71: R62         Leases - Supplemental Cash Flow (Details)           HTML     67K 
72: R63         Leases - Maturity (Details)                         HTML     58K 
73: R64         Capital Stock (Details)                             HTML     62K 
74: R65         Accrued Liabilities (Details)                       HTML     37K 
75: R66         Product Warranties (Details)                        HTML     35K 
76: R67         Accumulated Other Comprehensive Loss (Details)      HTML     38K 
77: R68         Loss Per Share - Weighted Average Number of Shares  HTML     39K 
                (Details)                                                        
78: R69         Loss Per Share - Schedule of Potentially Dilutive   HTML     33K 
                Shares (Details)                                                 
79: R70         Loss Per Share - Anti-dilutive Common Shares        HTML     31K 
                (Details)                                                        
80: R71         Segment and Enterprise-wide Information (Details)   HTML     86K 
81: R72         Segment and Enterprise-wide Information -           HTML     32K 
                Concentration (Details)                                          
82: R73         Borrowings (Loan Agreement) (Details)               HTML     63K 
83: R74         Commitments and Contingencies (Details)             HTML     28K 
85: XML         IDEA XML File -- Filing Summary                      XML    158K 
88: XML         XBRL Instance -- bfx-20231231_htm                    XML   1.75M 
84: EXCEL       IDEA Workbook of Financial Report Info              XLSX    143K 
 6: EX-101.CAL  XBRL Calculations -- bfx-20231231_cal                XML    227K 
 7: EX-101.DEF  XBRL Definitions -- bfx-20231231_def                 XML    412K 
 8: EX-101.LAB  XBRL Labels -- bfx-20231231_lab                      XML   1.53M 
 9: EX-101.PRE  XBRL Presentations -- bfx-20231231_pre               XML    870K 
 5: EX-101.SCH  XBRL Schema -- bfx-20231231                          XSD    149K 
86: JSON        XBRL Instance as JSON Data -- MetaLinks              466±   685K 
87: ZIP         XBRL Zipped Folder -- 0001078207-24-000019-xbrl      Zip    308K 


‘EX-101.DEF’   —   XBRL Definitions — bfx-20231231_def


This Exhibit is an XBRL File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Created with the Workiva Platform -->
<!-- Copyright 2024 Workiva -->
<!-- r:550795eb-8fb6-4194-976d-5ce56c65bfae,g:875e43e1-e4ae-4587-b62c-2090b396eb0e -->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
<link:roleRef roleURI="http://www.bowflex.com/role/CondensedConsolidatedStatementsofStockholdersEquityUnaudited" xlink:type="simple" xlink:href="bfx-20231231.xsd#CondensedConsolidatedStatementsofStockholdersEquityUnaudited"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/CondensedConsolidatedStatementsofStockholdersEquityUnaudited" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_5c81f78f-3e4c-4058-9627-42c9c07ea535" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_ee4f27f1-739b-4eef-a409-93bf9abb0c65" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_5c81f78f-3e4c-4058-9627-42c9c07ea535" xlink:to="loc_us-gaap_StatementTable_ee4f27f1-739b-4eef-a409-93bf9abb0c65" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_33349157-4d41-4ddc-b3cc-2a43687e0a4d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_ee4f27f1-739b-4eef-a409-93bf9abb0c65" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_33349157-4d41-4ddc-b3cc-2a43687e0a4d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_33349157-4d41-4ddc-b3cc-2a43687e0a4d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_33349157-4d41-4ddc-b3cc-2a43687e0a4d" xlink:to="loc_us-gaap_EquityComponentDomain_33349157-4d41-4ddc-b3cc-2a43687e0a4d_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_cdc6ce2f-6e1f-4ab5-a308-39b364864599" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_33349157-4d41-4ddc-b3cc-2a43687e0a4d" xlink:to="loc_us-gaap_EquityComponentDomain_cdc6ce2f-6e1f-4ab5-a308-39b364864599" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_27d4d32a-7208-4901-b9e9-f650d0be9ef7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_cdc6ce2f-6e1f-4ab5-a308-39b364864599" xlink:to="loc_us-gaap_CommonStockMember_27d4d32a-7208-4901-b9e9-f650d0be9ef7" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_fa746962-cd5b-4c9e-8f9f-28ae45b3c810" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_cdc6ce2f-6e1f-4ab5-a308-39b364864599" xlink:to="loc_us-gaap_RetainedEarningsMember_fa746962-cd5b-4c9e-8f9f-28ae45b3c810" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7ee73f34-9c11-4d48-8a1f-2d3c2987a2b6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_cdc6ce2f-6e1f-4ab5-a308-39b364864599" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_7ee73f34-9c11-4d48-8a1f-2d3c2987a2b6" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_20a94eb0-a9bd-4742-bbd8-d8936b80a3ab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_cdc6ce2f-6e1f-4ab5-a308-39b364864599" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_20a94eb0-a9bd-4742-bbd8-d8936b80a3ab" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5c81f78f-3e4c-4058-9627-42c9c07ea535" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_84f90a11-c448-4531-8fe2-017cdefe5f96" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:to="loc_us-gaap_StockholdersEquity_84f90a11-c448-4531-8fe2-017cdefe5f96" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_8bdca283-3b29-486b-a9c6-a0d2a24811b3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharesOutstanding"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:to="loc_us-gaap_SharesOutstanding_8bdca283-3b29-486b-a9c6-a0d2a24811b3" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_5bac865c-dbd7-4796-a4e8-5996b4c815a2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:to="loc_us-gaap_NetIncomeLoss_5bac865c-dbd7-4796-a4e8-5996b4c815a2" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_a45705c8-4147-4c7d-9cdd-9bd1fd5bddf7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_a45705c8-4147-4c7d-9cdd-9bd1fd5bddf7" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_af24a2a6-d204-4765-a000-947c1ae10a2a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_af24a2a6-d204-4765-a000-947c1ae10a2a" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_0ec3dbf9-27d9-4c41-86f5-321578fef918" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_0ec3dbf9-27d9-4c41-86f5-321578fef918" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_APICShareBasedPaymentArrangementIncreaseForCostRecognitionShares_adac6158-437d-4986-8b6a-f8b0d68a7dd4" xlink:href="bfx-20231231.xsd#bfx_APICShareBasedPaymentArrangementIncreaseForCostRecognitionShares"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:to="loc_bfx_APICShareBasedPaymentArrangementIncreaseForCostRecognitionShares_adac6158-437d-4986-8b6a-f8b0d68a7dd4" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_1773c124-68d5-465c-8dc4-da4a8db7d264" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_1773c124-68d5-465c-8dc4-da4a8db7d264" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeBenefitPlan_181081a0-86d0-44e5-9269-ef8de52215b7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeBenefitPlan"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeBenefitPlan_181081a0-86d0-44e5-9269-ef8de52215b7" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeBenefitPlan_877d5531-c389-40f5-8715-b30ab74a55af" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeBenefitPlan"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeBenefitPlan_877d5531-c389-40f5-8715-b30ab74a55af" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_26c37b7f-b4c8-4aa6-97c2-33c30fb33e3f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_26c37b7f-b4c8-4aa6-97c2-33c30fb33e3f" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_aba13a7c-edcf-4cc7-b446-963033b7a0fc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_aba13a7c-edcf-4cc7-b446-963033b7a0fc" xlink:type="arc" order="12"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_c99bbca3-399a-45e6-ba48-08e474d7cdd7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_c99bbca3-399a-45e6-ba48-08e474d7cdd7" xlink:type="arc" order="13"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_d9b09c71-2803-4426-ba1e-e29b933fbc00" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_524edf3e-54ff-4698-8515-13f8b2c35eef" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_d9b09c71-2803-4426-ba1e-e29b933fbc00" xlink:type="arc" order="14"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_b5fc5ff5-133b-4a33-8058-86de70fa490b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharesOutstanding"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_188e44e5-fead-4579-8fc0-e4d7419ec3ba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent_b4bd4108-5ad6-4565-85cc-514f82a2ad94" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5c81f78f-3e4c-4058-9627-42c9c07ea535" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent_b4bd4108-5ad6-4565-85cc-514f82a2ad94" xlink:type="arc" order="1"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/RestructuringandExitChargesDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#RestructuringandExitChargesDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/RestructuringandExitChargesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_93d25f06-9354-4212-8eae-9de51828da4f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_b98575cb-786d-4539-8e89-1f89f2d95e77" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_93d25f06-9354-4212-8eae-9de51828da4f" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_b98575cb-786d-4539-8e89-1f89f2d95e77" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_eff0e12d-7527-474a-a568-1b2d161578cc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_b98575cb-786d-4539-8e89-1f89f2d95e77" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_eff0e12d-7527-474a-a568-1b2d161578cc" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_eff0e12d-7527-474a-a568-1b2d161578cc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TypeOfRestructuringDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_eff0e12d-7527-474a-a568-1b2d161578cc" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_eff0e12d-7527-474a-a568-1b2d161578cc_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_46ef4649-d8eb-483f-98d4-a9cdc8ee4248" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TypeOfRestructuringDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_eff0e12d-7527-474a-a568-1b2d161578cc" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_46ef4649-d8eb-483f-98d4-a9cdc8ee4248" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_4fa369a1-09e6-453b-bd27-d9443caf7a1c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeSeveranceMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_46ef4649-d8eb-483f-98d4-a9cdc8ee4248" xlink:to="loc_us-gaap_EmployeeSeveranceMember_4fa369a1-09e6-453b-bd27-d9443caf7a1c" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_ThirdPartyCostsMember_cce8ed98-94b1-4926-864a-1ab5e40c5edc" xlink:href="bfx-20231231.xsd#bfx_ThirdPartyCostsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_46ef4649-d8eb-483f-98d4-a9cdc8ee4248" xlink:to="loc_bfx_ThirdPartyCostsMember_cce8ed98-94b1-4926-864a-1ab5e40c5edc" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveRollForward_5da149b0-ffa4-4127-84af-de300efeceb4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringReserveRollForward"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_93d25f06-9354-4212-8eae-9de51828da4f" xlink:to="loc_us-gaap_RestructuringReserveRollForward_5da149b0-ffa4-4127-84af-de300efeceb4" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_8476fc74-51a1-4546-b7c8-9c8d9d633271" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringReserve"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_5da149b0-ffa4-4127-84af-de300efeceb4" xlink:to="loc_us-gaap_RestructuringReserve_8476fc74-51a1-4546-b7c8-9c8d9d633271" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_RestructuringChargesAndAccrualAdjustment_165a1c0a-8a8e-40e5-8e74-453702179631" xlink:href="bfx-20231231.xsd#bfx_RestructuringChargesAndAccrualAdjustment"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_5da149b0-ffa4-4127-84af-de300efeceb4" xlink:to="loc_bfx_RestructuringChargesAndAccrualAdjustment_165a1c0a-8a8e-40e5-8e74-453702179631" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRestructuring_6e72490a-60e2-4822-b8b4-edbeca96ab2b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForRestructuring"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_5da149b0-ffa4-4127-84af-de300efeceb4" xlink:to="loc_us-gaap_PaymentsForRestructuring_6e72490a-60e2-4822-b8b4-edbeca96ab2b" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_411c634b-66d7-43ae-b198-2452ebd05a69" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringReserve"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/RevenuesDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#RevenuesDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/RevenuesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_d1c4d945-34b9-46fe-bd2b-1f59682819f2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_737b815a-a6bc-423d-9153-26ed2f456c00" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_d1c4d945-34b9-46fe-bd2b-1f59682819f2" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_737b815a-a6bc-423d-9153-26ed2f456c00" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_1d678fe3-0708-4234-bf8f-544b254d799c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductOrServiceAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_737b815a-a6bc-423d-9153-26ed2f456c00" xlink:to="loc_srt_ProductOrServiceAxis_1d678fe3-0708-4234-bf8f-544b254d799c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_1d678fe3-0708-4234-bf8f-544b254d799c_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_1d678fe3-0708-4234-bf8f-544b254d799c" xlink:to="loc_srt_ProductsAndServicesDomain_1d678fe3-0708-4234-bf8f-544b254d799c_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_8d98295a-d710-4b76-8579-234035fc1f5e" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_1d678fe3-0708-4234-bf8f-544b254d799c" xlink:to="loc_srt_ProductsAndServicesDomain_8d98295a-d710-4b76-8579-234035fc1f5e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_ProductSalesMember_8fd81e9d-330f-45d1-a0ac-eba4b9db4cb3" xlink:href="bfx-20231231.xsd#bfx_ProductSalesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_8d98295a-d710-4b76-8579-234035fc1f5e" xlink:to="loc_bfx_ProductSalesMember_8fd81e9d-330f-45d1-a0ac-eba4b9db4cb3" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_ExtendedWarrantiesAndServicesMember_fdf8dbc2-51fa-4b25-a181-6638ae9012a3" xlink:href="bfx-20231231.xsd#bfx_ExtendedWarrantiesAndServicesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_8d98295a-d710-4b76-8579-234035fc1f5e" xlink:to="loc_bfx_ExtendedWarrantiesAndServicesMember_fdf8dbc2-51fa-4b25-a181-6638ae9012a3" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_OtherProductsAndServicesMember_96f1c365-9a50-48b6-8448-e5ff88090c74" xlink:href="bfx-20231231.xsd#bfx_OtherProductsAndServicesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_8d98295a-d710-4b76-8579-234035fc1f5e" xlink:to="loc_bfx_OtherProductsAndServicesMember_96f1c365-9a50-48b6-8448-e5ff88090c74" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_RoyaltyIncomeMember_260a5028-96b9-4d44-b8ca-c636ac6dda1a" xlink:href="bfx-20231231.xsd#bfx_RoyaltyIncomeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_8d98295a-d710-4b76-8579-234035fc1f5e" xlink:to="loc_bfx_RoyaltyIncomeMember_260a5028-96b9-4d44-b8ca-c636ac6dda1a" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_4e685b5d-8a8c-4d12-a6bd-261a50b7ff47" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_StatementGeographicalAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_737b815a-a6bc-423d-9153-26ed2f456c00" xlink:to="loc_srt_StatementGeographicalAxis_4e685b5d-8a8c-4d12-a6bd-261a50b7ff47" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_4e685b5d-8a8c-4d12-a6bd-261a50b7ff47_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SegmentGeographicalDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_4e685b5d-8a8c-4d12-a6bd-261a50b7ff47" xlink:to="loc_srt_SegmentGeographicalDomain_4e685b5d-8a8c-4d12-a6bd-261a50b7ff47_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_e8e880e1-6656-43ef-bd49-1762d3b2a27b" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SegmentGeographicalDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_4e685b5d-8a8c-4d12-a6bd-261a50b7ff47" xlink:to="loc_srt_SegmentGeographicalDomain_e8e880e1-6656-43ef-bd49-1762d3b2a27b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_country_US_6704cb87-c673-4aae-ada0-40b19f9a83e2" xlink:href="https://xbrl.sec.gov/country/2023/country-2023.xsd#country_US"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_e8e880e1-6656-43ef-bd49-1762d3b2a27b" xlink:to="loc_country_US_6704cb87-c673-4aae-ada0-40b19f9a83e2" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_country_CA_a3dc4b7e-78af-47a9-89ac-9de1e2621f72" xlink:href="https://xbrl.sec.gov/country/2023/country-2023.xsd#country_CA"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_e8e880e1-6656-43ef-bd49-1762d3b2a27b" xlink:to="loc_country_CA_a3dc4b7e-78af-47a9-89ac-9de1e2621f72" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_EuropeTheMiddleEastAndAfricaMember_8e9ad134-cfa7-4694-8ba0-f8ca63885611" xlink:href="bfx-20231231.xsd#bfx_EuropeTheMiddleEastAndAfricaMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_e8e880e1-6656-43ef-bd49-1762d3b2a27b" xlink:to="loc_bfx_EuropeTheMiddleEastAndAfricaMember_8e9ad134-cfa7-4694-8ba0-f8ca63885611" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_AllOtherCountriesMember_8d413d31-4f02-4ee0-a87b-534e34601cfb" xlink:href="bfx-20231231.xsd#bfx_AllOtherCountriesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_e8e880e1-6656-43ef-bd49-1762d3b2a27b" xlink:to="loc_bfx_AllOtherCountriesMember_8d413d31-4f02-4ee0-a87b-534e34601cfb" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_ChangeInContractWithCustomerLiabilityRollForward_dfe3a5ee-7ca7-4b71-a1ff-9fd65f8e4e16" xlink:href="bfx-20231231.xsd#bfx_ChangeInContractWithCustomerLiabilityRollForward"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_d1c4d945-34b9-46fe-bd2b-1f59682819f2" xlink:to="loc_bfx_ChangeInContractWithCustomerLiabilityRollForward_dfe3a5ee-7ca7-4b71-a1ff-9fd65f8e4e16" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_3de8e926-8ec4-4284-a086-5f438b363f63" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerLiability"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bfx_ChangeInContractWithCustomerLiabilityRollForward_dfe3a5ee-7ca7-4b71-a1ff-9fd65f8e4e16" xlink:to="loc_us-gaap_ContractWithCustomerLiability_3de8e926-8ec4-4284-a086-5f438b363f63" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_ContractWithCustomerLiabilityIncreaseDecreaseFromChangesInCash_91142e00-7115-4a10-a2bb-af48b2b1182e" xlink:href="bfx-20231231.xsd#bfx_ContractWithCustomerLiabilityIncreaseDecreaseFromChangesInCash"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bfx_ChangeInContractWithCustomerLiabilityRollForward_dfe3a5ee-7ca7-4b71-a1ff-9fd65f8e4e16" xlink:to="loc_bfx_ContractWithCustomerLiabilityIncreaseDecreaseFromChangesInCash_91142e00-7115-4a10-a2bb-af48b2b1182e" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_ContractWithCustomerLiabilityIncreaseFromDeferredRevenue_44eb852f-14f4-41cb-b799-c6afd205692f" xlink:href="bfx-20231231.xsd#bfx_ContractWithCustomerLiabilityIncreaseFromDeferredRevenue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bfx_ChangeInContractWithCustomerLiabilityRollForward_dfe3a5ee-7ca7-4b71-a1ff-9fd65f8e4e16" xlink:to="loc_bfx_ContractWithCustomerLiabilityIncreaseFromDeferredRevenue_44eb852f-14f4-41cb-b799-c6afd205692f" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_ContractWithCustomerLiabilityRevenueRecognition_94301efe-228b-417d-aa37-37f495dfaab0" xlink:href="bfx-20231231.xsd#bfx_ContractWithCustomerLiabilityRevenueRecognition"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bfx_ChangeInContractWithCustomerLiabilityRollForward_dfe3a5ee-7ca7-4b71-a1ff-9fd65f8e4e16" xlink:to="loc_bfx_ContractWithCustomerLiabilityRevenueRecognition_94301efe-228b-417d-aa37-37f495dfaab0" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_9f3d125b-5a9e-4a75-8a99-b8b02095f9b4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ContractWithCustomerLiability"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_3f07f50e-355b-438a-9435-a5a901f48c0a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_d1c4d945-34b9-46fe-bd2b-1f59682819f2" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_3f07f50e-355b-438a-9435-a5a901f48c0a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_RevenueFromContractWithCustomerNumberOfPerformanceObligations_c5946d1d-1aa5-46fd-bade-d824e93bcab2" xlink:href="bfx-20231231.xsd#bfx_RevenueFromContractWithCustomerNumberOfPerformanceObligations"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_d1c4d945-34b9-46fe-bd2b-1f59682819f2" xlink:to="loc_bfx_RevenueFromContractWithCustomerNumberOfPerformanceObligations_c5946d1d-1aa5-46fd-bade-d824e93bcab2" xlink:type="arc" order="2"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/FairValueMeasurementsDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#FairValueMeasurementsDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/FairValueMeasurementsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_e74ef008-b94b-429e-8107-284fe90a4865" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_bfe0d22d-54b5-41d8-82b0-f5e002894a8b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_e74ef008-b94b-429e-8107-284fe90a4865" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_bfe0d22d-54b5-41d8-82b0-f5e002894a8b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_c02e5cdd-4138-479d-af1a-4445fc7dbfc0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_bfe0d22d-54b5-41d8-82b0-f5e002894a8b" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_c02e5cdd-4138-479d-af1a-4445fc7dbfc0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_c02e5cdd-4138-479d-af1a-4445fc7dbfc0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_c02e5cdd-4138-479d-af1a-4445fc7dbfc0" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_c02e5cdd-4138-479d-af1a-4445fc7dbfc0_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_d19853c4-7ce4-4828-b33d-d52fbe676b28" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_c02e5cdd-4138-479d-af1a-4445fc7dbfc0" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_d19853c4-7ce4-4828-b33d-d52fbe676b28" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_e999ade5-0972-438f-a88c-79b0617c0dc5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignExchangeForwardMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_d19853c4-7ce4-4828-b33d-d52fbe676b28" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_e999ade5-0972-438f-a88c-79b0617c0dc5" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_b949a4d5-338b-4ea3-b97f-a4f68717f93b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_bfe0d22d-54b5-41d8-82b0-f5e002894a8b" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_b949a4d5-338b-4ea3-b97f-a4f68717f93b" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_b949a4d5-338b-4ea3-b97f-a4f68717f93b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_b949a4d5-338b-4ea3-b97f-a4f68717f93b" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_b949a4d5-338b-4ea3-b97f-a4f68717f93b_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_68d79249-24a0-4caa-a119-b4f12438c5f3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_b949a4d5-338b-4ea3-b97f-a4f68717f93b" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_68d79249-24a0-4caa-a119-b4f12438c5f3" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_ffc4b30d-91cb-4549-803c-1fd6ec9efa31" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_68d79249-24a0-4caa-a119-b4f12438c5f3" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_ffc4b30d-91cb-4549-803c-1fd6ec9efa31" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_99c63add-21e9-4b88-879e-2950a93b49fe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_bfe0d22d-54b5-41d8-82b0-f5e002894a8b" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_99c63add-21e9-4b88-879e-2950a93b49fe" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_99c63add-21e9-4b88-879e-2950a93b49fe_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_99c63add-21e9-4b88-879e-2950a93b49fe" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_99c63add-21e9-4b88-879e-2950a93b49fe_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_42bfad44-a139-49dd-bf77-55ea9474b8c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_99c63add-21e9-4b88-879e-2950a93b49fe" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_42bfad44-a139-49dd-bf77-55ea9474b8c2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_4980dabb-6839-4bca-b112-60ac92efafb7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel1Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_42bfad44-a139-49dd-bf77-55ea9474b8c2" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_4980dabb-6839-4bca-b112-60ac92efafb7" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_0a657a38-cc91-44e7-b08c-32cd23d6d508" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel2Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_42bfad44-a139-49dd-bf77-55ea9474b8c2" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_0a657a38-cc91-44e7-b08c-32cd23d6d508" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_6241ecad-e62c-4cca-91c6-8fb82de51eea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel3Member"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_42bfad44-a139-49dd-bf77-55ea9474b8c2" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_6241ecad-e62c-4cca-91c6-8fb82de51eea" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_44df85d2-1a06-42da-aec1-87ce0f44046f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_e74ef008-b94b-429e-8107-284fe90a4865" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_44df85d2-1a06-42da-aec1-87ce0f44046f" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstanding_e783a17d-20e9-45c7-a00b-c4d3f0f0096f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WarrantsAndRightsOutstanding"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_44df85d2-1a06-42da-aec1-87ce0f44046f" xlink:to="loc_us-gaap_WarrantsAndRightsOutstanding_e783a17d-20e9-45c7-a00b-c4d3f0f0096f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityFairValueNetAbstract_40423a46-3f30-4e05-bdc4-988bfe8c38a6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLiabilityFairValueNetAbstract"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_44df85d2-1a06-42da-aec1-87ce0f44046f" xlink:to="loc_us-gaap_DerivativeLiabilityFairValueNetAbstract_40423a46-3f30-4e05-bdc4-988bfe8c38a6" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_91af42bf-b7c0-4a28-b2a9-cbf309968b2b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLiabilityFairValueNetAbstract_40423a46-3f30-4e05-bdc4-988bfe8c38a6" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_91af42bf-b7c0-4a28-b2a9-cbf309968b2b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_cf0e1b22-1b74-4a3f-8226-ef2479c6a226" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_44df85d2-1a06-42da-aec1-87ce0f44046f" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_cf0e1b22-1b74-4a3f-8226-ef2479c6a226" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_de811c20-bf86-4b8b-a57e-f0094a50afe1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_e74ef008-b94b-429e-8107-284fe90a4865" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_de811c20-bf86-4b8b-a57e-f0094a50afe1" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_49c955a7-4da7-422c-a665-09abd09b33ac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_de811c20-bf86-4b8b-a57e-f0094a50afe1" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_49c955a7-4da7-422c-a665-09abd09b33ac" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues_9b67c0e5-2a26-449f-a772-cf01c85d6d12" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_de811c20-bf86-4b8b-a57e-f0094a50afe1" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues_9b67c0e5-2a26-449f-a772-cf01c85d6d12" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAdjustmentOfWarrants_720a51b2-bf8c-47d4-a68b-cbb6cdda35cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAdjustmentOfWarrants"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_de811c20-bf86-4b8b-a57e-f0094a50afe1" xlink:to="loc_us-gaap_FairValueAdjustmentOfWarrants_720a51b2-bf8c-47d4-a68b-cbb6cdda35cf" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_cad6de7f-8fdf-484c-b357-3c19b5ea4109" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/FairValueMeasurementsScheduleofUnobservableInputsDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#FairValueMeasurementsScheduleofUnobservableInputsDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/FairValueMeasurementsScheduleofUnobservableInputsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_242bb10a-cf1e-48ae-b43c-4e248e807fb1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_a3ed9530-99d0-471f-ba20-8093537b0d20" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_242bb10a-cf1e-48ae-b43c-4e248e807fb1" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_a3ed9530-99d0-471f-ba20-8093537b0d20" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis_acc0b52f-693c-40d4-b57b-af8a55da0257" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MeasurementInputTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_a3ed9530-99d0-471f-ba20-8093537b0d20" xlink:to="loc_us-gaap_MeasurementInputTypeAxis_acc0b52f-693c-40d4-b57b-af8a55da0257" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_acc0b52f-693c-40d4-b57b-af8a55da0257_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MeasurementInputTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_acc0b52f-693c-40d4-b57b-af8a55da0257" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_acc0b52f-693c-40d4-b57b-af8a55da0257_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_ca3e8cae-a777-41c6-a83d-3c4843180e6a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MeasurementInputTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_acc0b52f-693c-40d4-b57b-af8a55da0257" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_ca3e8cae-a777-41c6-a83d-3c4843180e6a" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputSharePriceMember_5482521f-e6e7-426f-bf18-a26ea82327a7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MeasurementInputSharePriceMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_ca3e8cae-a777-41c6-a83d-3c4843180e6a" xlink:to="loc_us-gaap_MeasurementInputSharePriceMember_5482521f-e6e7-426f-bf18-a26ea82327a7" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputExercisePriceMember_989093e7-d185-4dfc-a611-e75265b7135f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MeasurementInputExercisePriceMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_ca3e8cae-a777-41c6-a83d-3c4843180e6a" xlink:to="loc_us-gaap_MeasurementInputExercisePriceMember_989093e7-d185-4dfc-a611-e75265b7135f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputExpectedTermMember_8d1248c7-8312-4640-91c4-f00780d2900b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MeasurementInputExpectedTermMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_ca3e8cae-a777-41c6-a83d-3c4843180e6a" xlink:to="loc_us-gaap_MeasurementInputExpectedTermMember_8d1248c7-8312-4640-91c4-f00780d2900b" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputPriceVolatilityMember_ead22c30-9d69-4dd0-b828-7cc272eaa3bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MeasurementInputPriceVolatilityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_ca3e8cae-a777-41c6-a83d-3c4843180e6a" xlink:to="loc_us-gaap_MeasurementInputPriceVolatilityMember_ead22c30-9d69-4dd0-b828-7cc272eaa3bd" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputExpectedDividendRateMember_be1ff0c8-9c41-4999-99bf-3f669dd59470" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MeasurementInputExpectedDividendRateMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_ca3e8cae-a777-41c6-a83d-3c4843180e6a" xlink:to="loc_us-gaap_MeasurementInputExpectedDividendRateMember_be1ff0c8-9c41-4999-99bf-3f669dd59470" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputRiskFreeInterestRateMember_395d7d2f-e75b-4dfc-826f-64d679260f89" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MeasurementInputRiskFreeInterestRateMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_ca3e8cae-a777-41c6-a83d-3c4843180e6a" xlink:to="loc_us-gaap_MeasurementInputRiskFreeInterestRateMember_395d7d2f-e75b-4dfc-826f-64d679260f89" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstandingMeasurementInput_cae2f149-7285-4a25-90c0-ee108a950f46" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WarrantsAndRightsOutstandingMeasurementInput"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_242bb10a-cf1e-48ae-b43c-4e248e807fb1" xlink:to="loc_us-gaap_WarrantsAndRightsOutstandingMeasurementInput_cae2f149-7285-4a25-90c0-ee108a950f46" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/DerivativesFairvalueofderivativeinstrumentsDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#DerivativesFairvalueofderivativeinstrumentsDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/DerivativesFairvalueofderivativeinstrumentsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_c7bf7dc7-996b-4b26-9ea8-018345889651" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativesFairValueLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_79ae31e7-9066-4d6e-90ae-1f3b27c881ab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_c7bf7dc7-996b-4b26-9ea8-018345889651" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_79ae31e7-9066-4d6e-90ae-1f3b27c881ab" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_d51390e6-d3e4-4d72-9448-ada05e222d91" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_79ae31e7-9066-4d6e-90ae-1f3b27c881ab" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_d51390e6-d3e4-4d72-9448-ada05e222d91" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_d51390e6-d3e4-4d72-9448-ada05e222d91_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_d51390e6-d3e4-4d72-9448-ada05e222d91" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_d51390e6-d3e4-4d72-9448-ada05e222d91_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_42e34fe1-b8fc-42de-8101-24a3f36de314" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_d51390e6-d3e4-4d72-9448-ada05e222d91" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_42e34fe1-b8fc-42de-8101-24a3f36de314" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractsMember_691d6da1-b010-495b-b532-2fcfdfd90bd4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForwardContractsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_42e34fe1-b8fc-42de-8101-24a3f36de314" xlink:to="loc_us-gaap_ForwardContractsMember_691d6da1-b010-495b-b532-2fcfdfd90bd4" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_d9e19a7f-1d16-4c25-93a6-dfdd437ae957" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_79ae31e7-9066-4d6e-90ae-1f3b27c881ab" xlink:to="loc_us-gaap_HedgingDesignationAxis_d9e19a7f-1d16-4c25-93a6-dfdd437ae957" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_d9e19a7f-1d16-4c25-93a6-dfdd437ae957_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_d9e19a7f-1d16-4c25-93a6-dfdd437ae957" xlink:to="loc_us-gaap_HedgingDesignationDomain_d9e19a7f-1d16-4c25-93a6-dfdd437ae957_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_2ee01586-4795-46b8-bc3b-511cc6e8d81f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_d9e19a7f-1d16-4c25-93a6-dfdd437ae957" xlink:to="loc_us-gaap_HedgingDesignationDomain_2ee01586-4795-46b8-bc3b-511cc6e8d81f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_044912e7-512c-4fb0-a800-3f4811db8f9a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NondesignatedMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_2ee01586-4795-46b8-bc3b-511cc6e8d81f" xlink:to="loc_us-gaap_NondesignatedMember_044912e7-512c-4fb0-a800-3f4811db8f9a" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_413bafed-14e6-40d8-947d-5bb0a9ac8052" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BalanceSheetLocationAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_79ae31e7-9066-4d6e-90ae-1f3b27c881ab" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_413bafed-14e6-40d8-947d-5bb0a9ac8052" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_413bafed-14e6-40d8-947d-5bb0a9ac8052_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BalanceSheetLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_413bafed-14e6-40d8-947d-5bb0a9ac8052" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_413bafed-14e6-40d8-947d-5bb0a9ac8052_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_102a417f-0799-4b27-8cd7-8867d179489e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BalanceSheetLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_413bafed-14e6-40d8-947d-5bb0a9ac8052" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_102a417f-0799-4b27-8cd7-8867d179489e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesMember_ded30463-e264-4a5f-ad10-973cea916871" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedLiabilitiesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_102a417f-0799-4b27-8cd7-8867d179489e" xlink:to="loc_us-gaap_AccruedLiabilitiesMember_ded30463-e264-4a5f-ad10-973cea916871" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_e724c02f-7100-4206-9679-ea35739bfadc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_c7bf7dc7-996b-4b26-9ea8-018345889651" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_e724c02f-7100-4206-9679-ea35739bfadc" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/DerivativesEffectOnCondensedConsolidatedStatementsofOperationsDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#DerivativesEffectOnCondensedConsolidatedStatementsofOperationsDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/DerivativesEffectOnCondensedConsolidatedStatementsofOperationsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_83c3ad0f-b796-48ff-8150-830b763f0394" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_435f5ced-d535-4ec5-aceb-0b9f89e74b48" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_83c3ad0f-b796-48ff-8150-830b763f0394" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_435f5ced-d535-4ec5-aceb-0b9f89e74b48" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_1105481b-c023-49bc-b294-f35ed8d96a13" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_435f5ced-d535-4ec5-aceb-0b9f89e74b48" xlink:to="loc_us-gaap_HedgingDesignationAxis_1105481b-c023-49bc-b294-f35ed8d96a13" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_1105481b-c023-49bc-b294-f35ed8d96a13_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_1105481b-c023-49bc-b294-f35ed8d96a13" xlink:to="loc_us-gaap_HedgingDesignationDomain_1105481b-c023-49bc-b294-f35ed8d96a13_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_f54470a0-b767-4ccd-ad36-4ff38323091f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_1105481b-c023-49bc-b294-f35ed8d96a13" xlink:to="loc_us-gaap_HedgingDesignationDomain_f54470a0-b767-4ccd-ad36-4ff38323091f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_d7fcaed9-5fe2-4bd0-b980-179b22013a91" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NondesignatedMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_f54470a0-b767-4ccd-ad36-4ff38323091f" xlink:to="loc_us-gaap_NondesignatedMember_d7fcaed9-5fe2-4bd0-b980-179b22013a91" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_989a0e17-1f30-43cf-95a3-23774214452d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_435f5ced-d535-4ec5-aceb-0b9f89e74b48" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_989a0e17-1f30-43cf-95a3-23774214452d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_989a0e17-1f30-43cf-95a3-23774214452d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_989a0e17-1f30-43cf-95a3-23774214452d" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_989a0e17-1f30-43cf-95a3-23774214452d_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_afc67ed9-096e-4655-86b8-be4e406252c8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_989a0e17-1f30-43cf-95a3-23774214452d" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_afc67ed9-096e-4655-86b8-be4e406252c8" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_IncomeTaxBenefitMember_3adf964e-c882-4a6b-86f7-8cf559fc6086" xlink:href="bfx-20231231.xsd#bfx_IncomeTaxBenefitMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_afc67ed9-096e-4655-86b8-be4e406252c8" xlink:to="loc_bfx_IncomeTaxBenefitMember_3adf964e-c882-4a6b-86f7-8cf559fc6086" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_b5611c14-b20e-4c98-a6d5-b0838cacb639" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeGainLossOnDerivativeNet"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_83c3ad0f-b796-48ff-8150-830b763f0394" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_b5611c14-b20e-4c98-a6d5-b0838cacb639" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_DerivativeInstrumentsGainLossRecognizedinOtherComprehensiveIncomeLossEffectivePortionTax_63579f9c-df8f-4650-af39-2022466c3fc2" xlink:href="bfx-20231231.xsd#bfx_DerivativeInstrumentsGainLossRecognizedinOtherComprehensiveIncomeLossEffectivePortionTax"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_83c3ad0f-b796-48ff-8150-830b763f0394" xlink:to="loc_bfx_DerivativeInstrumentsGainLossRecognizedinOtherComprehensiveIncomeLossEffectivePortionTax_63579f9c-df8f-4650-af39-2022466c3fc2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration_78d99614-7bce-471e-a55c-00fa4a705ab4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_83c3ad0f-b796-48ff-8150-830b763f0394" xlink:to="loc_us-gaap_DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration_78d99614-7bce-471e-a55c-00fa4a705ab4" xlink:type="arc" order="2"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/PropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#PropertyPlantandEquipmentDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/PropertyPlantandEquipmentDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fdc98bfa-92cf-444e-88cd-8d17d2bc46ea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_e30eb5b1-9dfc-43bf-82bd-f440e72fdd48" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fdc98bfa-92cf-444e-88cd-8d17d2bc46ea" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_e30eb5b1-9dfc-43bf-82bd-f440e72fdd48" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_664782e6-46ed-4b02-a060-5980b33eb7d7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_e30eb5b1-9dfc-43bf-82bd-f440e72fdd48" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_664782e6-46ed-4b02-a060-5980b33eb7d7" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_664782e6-46ed-4b02-a060-5980b33eb7d7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_664782e6-46ed-4b02-a060-5980b33eb7d7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_664782e6-46ed-4b02-a060-5980b33eb7d7_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_edc78343-b1d4-4ecd-b89e-e1c473d3aae0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_664782e6-46ed-4b02-a060-5980b33eb7d7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_edc78343-b1d4-4ecd-b89e-e1c473d3aae0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AutomobilesMember_d81d3b6c-10ff-44db-831a-49e827354161" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AutomobilesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_edc78343-b1d4-4ecd-b89e-e1c473d3aae0" xlink:to="loc_us-gaap_AutomobilesMember_d81d3b6c-10ff-44db-831a-49e827354161" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_e469ed6e-7a68-425b-b022-25ca6fe0392d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseholdImprovementsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_edc78343-b1d4-4ecd-b89e-e1c473d3aae0" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_e469ed6e-7a68-425b-b022-25ca6fe0392d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComputerEquipmentMember_7d808bf1-1157-4ce7-9f2c-2f7eb00a3c2d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComputerEquipmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_edc78343-b1d4-4ecd-b89e-e1c473d3aae0" xlink:to="loc_us-gaap_ComputerEquipmentMember_7d808bf1-1157-4ce7-9f2c-2f7eb00a3c2d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MachineryAndEquipmentMember_137075e1-d87d-40b1-8975-685d5d932366" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MachineryAndEquipmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_edc78343-b1d4-4ecd-b89e-e1c473d3aae0" xlink:to="loc_us-gaap_MachineryAndEquipmentMember_137075e1-d87d-40b1-8975-685d5d932366" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_3be174de-a447-4778-9bc6-3d5f4f073b7b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FurnitureAndFixturesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_edc78343-b1d4-4ecd-b89e-e1c473d3aae0" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_3be174de-a447-4778-9bc6-3d5f4f073b7b" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_4c700340-2359-421f-aefb-9825f8fd9806" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConstructionInProgressMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_edc78343-b1d4-4ecd-b89e-e1c473d3aae0" xlink:to="loc_us-gaap_ConstructionInProgressMember_4c700340-2359-421f-aefb-9825f8fd9806" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_8cd100e5-08bb-4a8f-9cc9-22734622c475" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_e30eb5b1-9dfc-43bf-82bd-f440e72fdd48" xlink:to="loc_srt_RangeAxis_8cd100e5-08bb-4a8f-9cc9-22734622c475" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_8cd100e5-08bb-4a8f-9cc9-22734622c475_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_8cd100e5-08bb-4a8f-9cc9-22734622c475" xlink:to="loc_srt_RangeMember_8cd100e5-08bb-4a8f-9cc9-22734622c475_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_b6cfbb22-27d1-400e-9f19-ee6e1797d953" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_8cd100e5-08bb-4a8f-9cc9-22734622c475" xlink:to="loc_srt_RangeMember_b6cfbb22-27d1-400e-9f19-ee6e1797d953" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_a4cbe725-ced7-446c-abe0-8076f6ac7895" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_b6cfbb22-27d1-400e-9f19-ee6e1797d953" xlink:to="loc_srt_MinimumMember_a4cbe725-ced7-446c-abe0-8076f6ac7895" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_7effa1d5-edb1-45bc-82b6-0744e5f8288d" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_b6cfbb22-27d1-400e-9f19-ee6e1797d953" xlink:to="loc_srt_MaximumMember_7effa1d5-edb1-45bc-82b6-0744e5f8288d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_92efa45d-dcd1-41af-af48-3c74bec6c8bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fdc98bfa-92cf-444e-88cd-8d17d2bc46ea" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_92efa45d-dcd1-41af-af48-3c74bec6c8bd" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_b987e27e-5318-46cf-a534-1f148fb3991e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fdc98bfa-92cf-444e-88cd-8d17d2bc46ea" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_b987e27e-5318-46cf-a534-1f148fb3991e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_01e85441-f24d-4ac4-9501-450d36aa7a0d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fdc98bfa-92cf-444e-88cd-8d17d2bc46ea" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_01e85441-f24d-4ac4-9501-450d36aa7a0d" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_2cb69dc8-b76e-441e-b78b-8f8b98520e2d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_fdc98bfa-92cf-444e-88cd-8d17d2bc46ea" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_2cb69dc8-b76e-441e-b78b-8f8b98520e2d" xlink:type="arc" order="3"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/GoodwillandOtherIntangibleAssetsDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#GoodwillandOtherIntangibleAssetsDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/GoodwillandOtherIntangibleAssetsDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_5778097b-367f-493c-9903-6f45570b2ad5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GoodwillLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_b2df1f66-861d-4c1e-81ef-3a687e5b1818" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfGoodwillTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_5778097b-367f-493c-9903-6f45570b2ad5" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_b2df1f66-861d-4c1e-81ef-3a687e5b1818" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_46666ed0-c686-4704-8710-691d74abc400" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_b2df1f66-861d-4c1e-81ef-3a687e5b1818" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_46666ed0-c686-4704-8710-691d74abc400" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_46666ed0-c686-4704-8710-691d74abc400_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_46666ed0-c686-4704-8710-691d74abc400" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_46666ed0-c686-4704-8710-691d74abc400_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_aa9d5274-ddcf-4ede-aac4-698e42b0d2b5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_46666ed0-c686-4704-8710-691d74abc400" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_aa9d5274-ddcf-4ede-aac4-698e42b0d2b5" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PatentsMember_c9639fc7-26be-4426-a807-dd1a43ac1b8e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PatentsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_aa9d5274-ddcf-4ede-aac4-698e42b0d2b5" xlink:to="loc_us-gaap_PatentsMember_c9639fc7-26be-4426-a807-dd1a43ac1b8e" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_b453b573-eee6-4afd-b26d-3dd6587db7d9" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_b2df1f66-861d-4c1e-81ef-3a687e5b1818" xlink:to="loc_srt_RangeAxis_b453b573-eee6-4afd-b26d-3dd6587db7d9" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_b453b573-eee6-4afd-b26d-3dd6587db7d9_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_b453b573-eee6-4afd-b26d-3dd6587db7d9" xlink:to="loc_srt_RangeMember_b453b573-eee6-4afd-b26d-3dd6587db7d9_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_260558cf-974f-4ed7-a31f-210a71804b39" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_b453b573-eee6-4afd-b26d-3dd6587db7d9" xlink:to="loc_srt_RangeMember_260558cf-974f-4ed7-a31f-210a71804b39" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_f6d462ec-5d71-4cf5-8c9b-716058441809" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_260558cf-974f-4ed7-a31f-210a71804b39" xlink:to="loc_srt_MinimumMember_f6d462ec-5d71-4cf5-8c9b-716058441809" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_4a84c40e-871d-405c-a624-d47d7cc1da62" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_260558cf-974f-4ed7-a31f-210a71804b39" xlink:to="loc_srt_MaximumMember_4a84c40e-871d-405c-a624-d47d7cc1da62" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedTrademarks_cb01ea09-8218-44eb-9240-de45b740419a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedTrademarks"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_5778097b-367f-493c-9903-6f45570b2ad5" xlink:to="loc_us-gaap_IndefiniteLivedTrademarks_cb01ea09-8218-44eb-9240-de45b740419a" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_fa089a68-1d09-45a0-9bb9-c994fe93f3cd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_5778097b-367f-493c-9903-6f45570b2ad5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_fa089a68-1d09-45a0-9bb9-c994fe93f3cd" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_3cdeea87-87ce-4845-a485-3c47244f1b62" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_5778097b-367f-493c-9903-6f45570b2ad5" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_3cdeea87-87ce-4845-a485-3c47244f1b62" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_8265bc29-6ed0-494d-ad1b-0e41afc6f4bb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_5778097b-367f-493c-9903-6f45570b2ad5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_8265bc29-6ed0-494d-ad1b-0e41afc6f4bb" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_37e205c2-a846-4759-aa38-eb64f76566dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_5778097b-367f-493c-9903-6f45570b2ad5" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_37e205c2-a846-4759-aa38-eb64f76566dc" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_43f7e34d-f725-4ec3-953f-e63d5a35c4f7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_5778097b-367f-493c-9903-6f45570b2ad5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_43f7e34d-f725-4ec3-953f-e63d5a35c4f7" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfIntangibleAssets_ba8f1dd9-948e-4f07-b330-0772a596b7dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromSaleOfIntangibleAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_5778097b-367f-493c-9903-6f45570b2ad5" xlink:to="loc_us-gaap_ProceedsFromSaleOfIntangibleAssets_ba8f1dd9-948e-4f07-b330-0772a596b7dc" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_6a494c36-11b3-4d1f-a59a-2afaa39df500" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_5778097b-367f-493c-9903-6f45570b2ad5" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets_6a494c36-11b3-4d1f-a59a-2afaa39df500" xlink:type="arc" order="7"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/CapitalStockDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#CapitalStockDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/CapitalStockDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_dc0a3f53-bdfb-4580-b548-be8ed515ac48" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfStockByClassTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_dc0a3f53-bdfb-4580-b548-be8ed515ac48" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_caae07a2-eda5-47fe-b3e0-60e8c14cdebf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_dc0a3f53-bdfb-4580-b548-be8ed515ac48" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_caae07a2-eda5-47fe-b3e0-60e8c14cdebf" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_caae07a2-eda5-47fe-b3e0-60e8c14cdebf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_caae07a2-eda5-47fe-b3e0-60e8c14cdebf" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_caae07a2-eda5-47fe-b3e0-60e8c14cdebf_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_838c4714-e8f8-45e2-8d23-b6c1cfe9e467" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_caae07a2-eda5-47fe-b3e0-60e8c14cdebf" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_838c4714-e8f8-45e2-8d23-b6c1cfe9e467" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_PrivatePlacementOneMember_4b299dca-00aa-407a-a876-dc336237b0a0" xlink:href="bfx-20231231.xsd#bfx_PrivatePlacementOneMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_838c4714-e8f8-45e2-8d23-b6c1cfe9e467" xlink:to="loc_bfx_PrivatePlacementOneMember_4b299dca-00aa-407a-a876-dc336237b0a0" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_PrivatePlacementTwoMember_0f02f0ef-7005-4396-899c-93fd9a91c3f1" xlink:href="bfx-20231231.xsd#bfx_PrivatePlacementTwoMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_838c4714-e8f8-45e2-8d23-b6c1cfe9e467" xlink:to="loc_bfx_PrivatePlacementTwoMember_0f02f0ef-7005-4396-899c-93fd9a91c3f1" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_2a712e55-c48e-4f5e-ae59-17bd19fd9f9f" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_dc0a3f53-bdfb-4580-b548-be8ed515ac48" xlink:to="loc_srt_RangeAxis_2a712e55-c48e-4f5e-ae59-17bd19fd9f9f" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_2a712e55-c48e-4f5e-ae59-17bd19fd9f9f_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_2a712e55-c48e-4f5e-ae59-17bd19fd9f9f" xlink:to="loc_srt_RangeMember_2a712e55-c48e-4f5e-ae59-17bd19fd9f9f_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_7d4349bb-f00a-4b5d-bb44-6a4739990ca9" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_2a712e55-c48e-4f5e-ae59-17bd19fd9f9f" xlink:to="loc_srt_RangeMember_7d4349bb-f00a-4b5d-bb44-6a4739990ca9" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_79d792dd-04b0-4ac5-831f-c147875183db" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_7d4349bb-f00a-4b5d-bb44-6a4739990ca9" xlink:to="loc_srt_MinimumMember_79d792dd-04b0-4ac5-831f-c147875183db" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_a914fea0-8a16-40f2-ac46-5258777a3a2b" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_7d4349bb-f00a-4b5d-bb44-6a4739990ca9" xlink:to="loc_srt_MaximumMember_a914fea0-8a16-40f2-ac46-5258777a3a2b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_57a3b902-fb32-4387-80f8-8488ae2e40f6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_57a3b902-fb32-4387-80f8-8488ae2e40f6" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_ClassOfWarrantsOrRightsOfferPricePerWarrantForExchange_f22ee391-7907-46b2-b99b-e8553f2b0c1b" xlink:href="bfx-20231231.xsd#bfx_ClassOfWarrantsOrRightsOfferPricePerWarrantForExchange"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:to="loc_bfx_ClassOfWarrantsOrRightsOfferPricePerWarrantForExchange_f22ee391-7907-46b2-b99b-e8553f2b0c1b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_fdc9a6b7-bc5f-42c8-a471-ce413cb41bae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_fdc9a6b7-bc5f-42c8-a471-ce413cb41bae" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_SaleOfStockOfferingPriceForPreFundedWarrant_212321bd-2b17-4eec-98f3-24f2a2605a75" xlink:href="bfx-20231231.xsd#bfx_SaleOfStockOfferingPriceForPreFundedWarrant"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:to="loc_bfx_SaleOfStockOfferingPriceForPreFundedWarrant_212321bd-2b17-4eec-98f3-24f2a2605a75" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_SaleOfStockExcessOfOwnershipPercentage_01e39e7e-b91b-45ea-9bef-1298b2f922e6" xlink:href="bfx-20231231.xsd#bfx_SaleOfStockExcessOfOwnershipPercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:to="loc_bfx_SaleOfStockExcessOfOwnershipPercentage_01e39e7e-b91b-45ea-9bef-1298b2f922e6" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_7327b682-a36c-4d3a-b9b1-a1e192fed6f1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_7327b682-a36c-4d3a-b9b1-a1e192fed6f1" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_02db615c-ae12-4a13-b79f-8adda3697d42" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_02db615c-ae12-4a13-b79f-8adda3697d42" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_WarrantsAndRightsOutstandingExercisableAfterOriginalIssuanceDatePeriod_3f4287f4-7d27-46e6-8fd1-39235bc449ce" xlink:href="bfx-20231231.xsd#bfx_WarrantsAndRightsOutstandingExercisableAfterOriginalIssuanceDatePeriod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:to="loc_bfx_WarrantsAndRightsOutstandingExercisableAfterOriginalIssuanceDatePeriod_3f4287f4-7d27-46e6-8fd1-39235bc449ce" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstandingTerm_cf396c28-6397-49c6-a5d3-0e1e7dc52e6b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WarrantsAndRightsOutstandingTerm"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:to="loc_us-gaap_WarrantsAndRightsOutstandingTerm_cf396c28-6397-49c6-a5d3-0e1e7dc52e6b" xlink:type="arc" order="8"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_SaleOfStockStockIssuanceFeePercentage_99f6c16d-dc70-4a8b-a49c-38118daec652" xlink:href="bfx-20231231.xsd#bfx_SaleOfStockStockIssuanceFeePercentage"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:to="loc_bfx_SaleOfStockStockIssuanceFeePercentage_99f6c16d-dc70-4a8b-a49c-38118daec652" xlink:type="arc" order="9"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_SaleOfStockMaximumCostReimbursement_811096d1-7bfe-4a33-8ff6-4981b0e97606" xlink:href="bfx-20231231.xsd#bfx_SaleOfStockMaximumCostReimbursement"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:to="loc_bfx_SaleOfStockMaximumCostReimbursement_811096d1-7bfe-4a33-8ff6-4981b0e97606" xlink:type="arc" order="10"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_c2ce0202-f823-4156-ba18-c4216681f6e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:to="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_c2ce0202-f823-4156-ba18-c4216681f6e2" xlink:type="arc" order="11"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfStockIssuanceCosts_ddc8cefb-9094-4509-8642-1266417a2a63" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfStockIssuanceCosts"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_128dd89d-a2cb-4714-8b46-af474785000c" xlink:to="loc_us-gaap_PaymentsOfStockIssuanceCosts_ddc8cefb-9094-4509-8642-1266417a2a63" xlink:type="arc" order="12"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/ProductWarrantiesDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#ProductWarrantiesDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/ProductWarrantiesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductLiabilityContingencyLineItems_9e9df34c-a3fe-41a1-a318-93ddd104abc4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProductLiabilityContingencyLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductLiabilityContingencyTable_6e798ca1-6e6d-47ea-9f04-16e10872b207" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProductLiabilityContingencyTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ProductLiabilityContingencyLineItems_9e9df34c-a3fe-41a1-a318-93ddd104abc4" xlink:to="loc_us-gaap_ProductLiabilityContingencyTable_6e798ca1-6e6d-47ea-9f04-16e10872b207" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_ebfcbacc-c726-42e7-921e-e4d5a431a6ba" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ProductLiabilityContingencyTable_6e798ca1-6e6d-47ea-9f04-16e10872b207" xlink:to="loc_srt_RangeAxis_ebfcbacc-c726-42e7-921e-e4d5a431a6ba" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_ebfcbacc-c726-42e7-921e-e4d5a431a6ba_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_ebfcbacc-c726-42e7-921e-e4d5a431a6ba" xlink:to="loc_srt_RangeMember_ebfcbacc-c726-42e7-921e-e4d5a431a6ba_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_a122c5b4-510d-4383-abec-439640b95845" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_ebfcbacc-c726-42e7-921e-e4d5a431a6ba" xlink:to="loc_srt_RangeMember_a122c5b4-510d-4383-abec-439640b95845" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_56de09da-1bd3-4afa-9a5b-bfa906dd4dee" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_a122c5b4-510d-4383-abec-439640b95845" xlink:to="loc_srt_MinimumMember_56de09da-1bd3-4afa-9a5b-bfa906dd4dee" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_ProductWarrantyPeriod_7a8bfc9f-34c1-4f1b-b5b9-8455ed5f7e3b" xlink:href="bfx-20231231.xsd#bfx_ProductWarrantyPeriod"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductLiabilityContingencyLineItems_9e9df34c-a3fe-41a1-a318-93ddd104abc4" xlink:to="loc_bfx_ProductWarrantyPeriod_7a8bfc9f-34c1-4f1b-b5b9-8455ed5f7e3b" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward_64525e42-a85a-4ef1-a534-82798033dc0c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProductLiabilityContingencyLineItems_9e9df34c-a3fe-41a1-a318-93ddd104abc4" xlink:to="loc_us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward_64525e42-a85a-4ef1-a534-82798033dc0c" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StandardProductWarrantyAccrual_e064f556-3790-486e-b25a-a0d2139624d6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StandardProductWarrantyAccrual"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward_64525e42-a85a-4ef1-a534-82798033dc0c" xlink:to="loc_us-gaap_StandardProductWarrantyAccrual_e064f556-3790-486e-b25a-a0d2139624d6" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesIssuedReversalOfWarrantyReserveNet_ed00fbfd-f77f-4030-bce5-3ab85b8790d0" xlink:href="bfx-20231231.xsd#bfx_StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesIssuedReversalOfWarrantyReserveNet"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward_64525e42-a85a-4ef1-a534-82798033dc0c" xlink:to="loc_bfx_StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesIssuedReversalOfWarrantyReserveNet_ed00fbfd-f77f-4030-bce5-3ab85b8790d0" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StandardProductWarrantyAccrualPayments_08cc3ea8-b83a-4a35-b064-d56b34521fe4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StandardProductWarrantyAccrualPayments"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInStandardAndExtendedProductWarrantyIncreaseDecreaseRollForward_64525e42-a85a-4ef1-a534-82798033dc0c" xlink:to="loc_us-gaap_StandardProductWarrantyAccrualPayments_08cc3ea8-b83a-4a35-b064-d56b34521fe4" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StandardProductWarrantyAccrual_904629b0-29c7-4912-965f-40f32f979c11" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StandardProductWarrantyAccrual"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/AccumulatedOtherComprehensiveLossDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#AccumulatedOtherComprehensiveLossDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/AccumulatedOtherComprehensiveLossDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_0bdbf077-2f05-4ef0-b34d-250e3467b78a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_7879461e-4067-4eda-994b-9e51ca0b28d5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_0bdbf077-2f05-4ef0-b34d-250e3467b78a" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_7879461e-4067-4eda-994b-9e51ca0b28d5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_fc59182e-6a9c-4ae3-bd10-fcd131adfba6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_7879461e-4067-4eda-994b-9e51ca0b28d5" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_fc59182e-6a9c-4ae3-bd10-fcd131adfba6" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_fc59182e-6a9c-4ae3-bd10-fcd131adfba6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_fc59182e-6a9c-4ae3-bd10-fcd131adfba6" xlink:to="loc_us-gaap_EquityComponentDomain_fc59182e-6a9c-4ae3-bd10-fcd131adfba6_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_c9750b0c-1e5c-4393-9378-92ef89e7c477" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_fc59182e-6a9c-4ae3-bd10-fcd131adfba6" xlink:to="loc_us-gaap_EquityComponentDomain_c9750b0c-1e5c-4393-9378-92ef89e7c477" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_e2a2f691-3b6c-4037-96bb-43d1f1ffed4b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_c9750b0c-1e5c-4393-9378-92ef89e7c477" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_e2a2f691-3b6c-4037-96bb-43d1f1ffed4b" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_5819d2f9-49bd-457c-9b65-16fd6834d0c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_c9750b0c-1e5c-4393-9378-92ef89e7c477" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_5819d2f9-49bd-457c-9b65-16fd6834d0c4" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_bde8d0bf-951c-47a7-990e-2ce3d1f1cef3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AOCIAttributableToParentNetOfTaxRollForward"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_0bdbf077-2f05-4ef0-b34d-250e3467b78a" xlink:to="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_bde8d0bf-951c-47a7-990e-2ce3d1f1cef3" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_36d55abf-831e-4823-98de-62aed5a6663b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_bde8d0bf-951c-47a7-990e-2ce3d1f1cef3" xlink:to="loc_us-gaap_StockholdersEquity_36d55abf-831e-4823-98de-62aed5a6663b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_39159b71-8c0b-4da2-b02c-32059d63fc58" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_bde8d0bf-951c-47a7-990e-2ce3d1f1cef3" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_39159b71-8c0b-4da2-b02c-32059d63fc58" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_08f99e97-3206-49ff-91dc-2d9f64473dd4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/LossPerShareWeightedAverageNumberofSharesDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#LossPerShareWeightedAverageNumberofSharesDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/LossPerShareWeightedAverageNumberofSharesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d52eb7ea-f58c-4c9b-a121-1338dfe88bb3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_db804693-5265-4436-ac82-cdc397f32edb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d52eb7ea-f58c-4c9b-a121-1338dfe88bb3" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_db804693-5265-4436-ac82-cdc397f32edb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_52fd8a50-4e41-4910-a9de-d48438e63ee3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_db804693-5265-4436-ac82-cdc397f32edb" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_52fd8a50-4e41-4910-a9de-d48438e63ee3" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_52fd8a50-4e41-4910-a9de-d48438e63ee3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_52fd8a50-4e41-4910-a9de-d48438e63ee3" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_52fd8a50-4e41-4910-a9de-d48438e63ee3_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_3aa9efe9-a4d0-4f1e-a2d3-1f04fc4f8f69" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_52fd8a50-4e41-4910-a9de-d48438e63ee3" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_3aa9efe9-a4d0-4f1e-a2d3-1f04fc4f8f69" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_b267987e-ea4b-4161-be57-a4acfcc41bde" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockOptionMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_3aa9efe9-a4d0-4f1e-a2d3-1f04fc4f8f69" xlink:to="loc_us-gaap_EmployeeStockOptionMember_b267987e-ea4b-4161-be57-a4acfcc41bde" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_d1c4ac9f-7d63-441e-a175-c0fc0c10851b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_3aa9efe9-a4d0-4f1e-a2d3-1f04fc4f8f69" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_d1c4ac9f-7d63-441e-a175-c0fc0c10851b" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_AntidilutiveSecuritiesExcludedFromComputationOfEarningsForEachShareWeightedAverageAmount_e0f79109-c333-49b9-8a0f-f3df9081f2c9" xlink:href="bfx-20231231.xsd#bfx_AntidilutiveSecuritiesExcludedFromComputationOfEarningsForEachShareWeightedAverageAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d52eb7ea-f58c-4c9b-a121-1338dfe88bb3" xlink:to="loc_bfx_AntidilutiveSecuritiesExcludedFromComputationOfEarningsForEachShareWeightedAverageAmount_e0f79109-c333-49b9-8a0f-f3df9081f2c9" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/LossPerShareScheduleofPotentiallyDilutiveSharesDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#LossPerShareScheduleofPotentiallyDilutiveSharesDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/LossPerShareScheduleofPotentiallyDilutiveSharesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d2773ef6-d7b9-4a11-80b1-b6d07c038f30" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_7e9d9a4e-76db-44a8-80bc-b3c7b2aaf550" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d2773ef6-d7b9-4a11-80b1-b6d07c038f30" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_7e9d9a4e-76db-44a8-80bc-b3c7b2aaf550" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_301477a5-f9ff-49e8-b6d1-7281f00bcb5d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_7e9d9a4e-76db-44a8-80bc-b3c7b2aaf550" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_301477a5-f9ff-49e8-b6d1-7281f00bcb5d" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_301477a5-f9ff-49e8-b6d1-7281f00bcb5d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_301477a5-f9ff-49e8-b6d1-7281f00bcb5d" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_301477a5-f9ff-49e8-b6d1-7281f00bcb5d_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_5705ba6f-37ba-451c-960c-0fbf7a8d89f6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_301477a5-f9ff-49e8-b6d1-7281f00bcb5d" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_5705ba6f-37ba-451c-960c-0fbf7a8d89f6" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_3a741fa3-b1ca-4872-9159-047fa712b52a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PerformanceSharesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_5705ba6f-37ba-451c-960c-0fbf7a8d89f6" xlink:to="loc_us-gaap_PerformanceSharesMember_3a741fa3-b1ca-4872-9159-047fa712b52a" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_4972ac46-9fdb-4163-9801-2f959fcdc0b1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_5705ba6f-37ba-451c-960c-0fbf7a8d89f6" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_4972ac46-9fdb-4163-9801-2f959fcdc0b1" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_17e9e1bd-54f9-4692-8c55-a553c8a941c5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockOptionMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_5705ba6f-37ba-451c-960c-0fbf7a8d89f6" xlink:to="loc_us-gaap_EmployeeStockOptionMember_17e9e1bd-54f9-4692-8c55-a553c8a941c5" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_AntidilutiveSecuritiesExcludedFromComputationOfEarningsForEachShareWeightedAverageAmount_6cbcd267-9fc9-433a-8ce2-431768ca7748" xlink:href="bfx-20231231.xsd#bfx_AntidilutiveSecuritiesExcludedFromComputationOfEarningsForEachShareWeightedAverageAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_d2773ef6-d7b9-4a11-80b1-b6d07c038f30" xlink:to="loc_bfx_AntidilutiveSecuritiesExcludedFromComputationOfEarningsForEachShareWeightedAverageAmount_6cbcd267-9fc9-433a-8ce2-431768ca7748" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/LossPerShareAntidilutiveCommonSharesDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#LossPerShareAntidilutiveCommonSharesDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/LossPerShareAntidilutiveCommonSharesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_bff862cd-10d6-46b0-a9b4-45cbc6c7556f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_29e579ea-6603-4bdc-9e66-71bc4baa49d3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_bff862cd-10d6-46b0-a9b4-45cbc6c7556f" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_29e579ea-6603-4bdc-9e66-71bc4baa49d3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_566bf527-97fc-457c-9772-1df602e72d17" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_29e579ea-6603-4bdc-9e66-71bc4baa49d3" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_566bf527-97fc-457c-9772-1df602e72d17" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_566bf527-97fc-457c-9772-1df602e72d17_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_566bf527-97fc-457c-9772-1df602e72d17" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_566bf527-97fc-457c-9772-1df602e72d17_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_23f26a02-7183-4cec-b738-c8f2b6960ff4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_566bf527-97fc-457c-9772-1df602e72d17" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_23f26a02-7183-4cec-b738-c8f2b6960ff4" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_ab426903-8b5a-40d6-becb-95cc6c6403f2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_23f26a02-7183-4cec-b738-c8f2b6960ff4" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_ab426903-8b5a-40d6-becb-95cc6c6403f2" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_190c238a-3827-4e18-b774-53f7d02f0598" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeStockOptionMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_23f26a02-7183-4cec-b738-c8f2b6960ff4" xlink:to="loc_us-gaap_EmployeeStockOptionMember_190c238a-3827-4e18-b774-53f7d02f0598" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_1e4cc586-ac89-40ef-a3a3-795bfcff2dae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_bff862cd-10d6-46b0-a9b4-45cbc6c7556f" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_1e4cc586-ac89-40ef-a3a3-795bfcff2dae" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/SegmentandEnterprisewideInformationDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#SegmentandEnterprisewideInformationDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/SegmentandEnterprisewideInformationDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_6918d650-2ae5-4403-8c6f-135bdcc1aa82" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingInformationLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2a7bc842-552e-45a7-8655-520df39e28c8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6918d650-2ae5-4403-8c6f-135bdcc1aa82" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2a7bc842-552e-45a7-8655-520df39e28c8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_7b37ce92-02da-4dc0-a61c-c8fed4fa1175" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2a7bc842-552e-45a7-8655-520df39e28c8" xlink:to="loc_srt_ConsolidationItemsAxis_7b37ce92-02da-4dc0-a61c-c8fed4fa1175" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_7b37ce92-02da-4dc0-a61c-c8fed4fa1175_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_7b37ce92-02da-4dc0-a61c-c8fed4fa1175" xlink:to="loc_srt_ConsolidationItemsDomain_7b37ce92-02da-4dc0-a61c-c8fed4fa1175_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_56fc3612-885f-4835-a428-37f24ba297f9" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_7b37ce92-02da-4dc0-a61c-c8fed4fa1175" xlink:to="loc_srt_ConsolidationItemsDomain_56fc3612-885f-4835-a428-37f24ba297f9" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_d2203842-191f-4a0d-a184-f8556cdc26ba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingSegmentsMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_56fc3612-885f-4835-a428-37f24ba297f9" xlink:to="loc_us-gaap_OperatingSegmentsMember_d2203842-191f-4a0d-a184-f8556cdc26ba" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_f829b982-f712-44b7-b502-95b584b6030e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CorporateNonSegmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_56fc3612-885f-4835-a428-37f24ba297f9" xlink:to="loc_us-gaap_CorporateNonSegmentMember_f829b982-f712-44b7-b502-95b584b6030e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsAxis_db1c6429-b083-41dd-bf02-198f169a4ad8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsegmentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2a7bc842-552e-45a7-8655-520df39e28c8" xlink:to="loc_us-gaap_SubsegmentsAxis_db1c6429-b083-41dd-bf02-198f169a4ad8" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsDomain_db1c6429-b083-41dd-bf02-198f169a4ad8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsegmentsDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsegmentsAxis_db1c6429-b083-41dd-bf02-198f169a4ad8" xlink:to="loc_us-gaap_SubsegmentsDomain_db1c6429-b083-41dd-bf02-198f169a4ad8_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsegmentsDomain_aa626455-82af-475f-96a4-7dfe1da4bc32" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsegmentsDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsegmentsAxis_db1c6429-b083-41dd-bf02-198f169a4ad8" xlink:to="loc_us-gaap_SubsegmentsDomain_aa626455-82af-475f-96a4-7dfe1da4bc32" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_DirectMember_160cebb1-6f9d-41ca-9bf5-8f3fb9fe3d68" xlink:href="bfx-20231231.xsd#bfx_DirectMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_aa626455-82af-475f-96a4-7dfe1da4bc32" xlink:to="loc_bfx_DirectMember_160cebb1-6f9d-41ca-9bf5-8f3fb9fe3d68" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_RetailSegmentMember_907fda62-e39b-46d8-adfe-05213277865f" xlink:href="bfx-20231231.xsd#bfx_RetailSegmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_aa626455-82af-475f-96a4-7dfe1da4bc32" xlink:to="loc_bfx_RetailSegmentMember_907fda62-e39b-46d8-adfe-05213277865f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_UnallocatedRoyaltyIncomeMember_4a036342-34fe-4cf1-9e01-ba689c7c7705" xlink:href="bfx-20231231.xsd#bfx_UnallocatedRoyaltyIncomeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_aa626455-82af-475f-96a4-7dfe1da4bc32" xlink:to="loc_bfx_UnallocatedRoyaltyIncomeMember_4a036342-34fe-4cf1-9e01-ba689c7c7705" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_UnallocatedCorporateMember_0e4bed7d-79b4-4bc3-bc71-3b87d9fdf008" xlink:href="bfx-20231231.xsd#bfx_UnallocatedCorporateMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsegmentsDomain_aa626455-82af-475f-96a4-7dfe1da4bc32" xlink:to="loc_bfx_UnallocatedCorporateMember_0e4bed7d-79b4-4bc3-bc71-3b87d9fdf008" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_c428502d-6cad-410c-a6f7-fa102a869519" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_2a7bc842-552e-45a7-8655-520df39e28c8" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_c428502d-6cad-410c-a6f7-fa102a869519" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_c428502d-6cad-410c-a6f7-fa102a869519_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_c428502d-6cad-410c-a6f7-fa102a869519" xlink:to="loc_us-gaap_SegmentDomain_c428502d-6cad-410c-a6f7-fa102a869519_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_06ef2116-ac97-476f-9a45-51a201bde16f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_c428502d-6cad-410c-a6f7-fa102a869519" xlink:to="loc_us-gaap_SegmentDomain_06ef2116-ac97-476f-9a45-51a201bde16f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_DirectMember_c3aa27c6-dbf0-4127-8624-db3e39a781b4" xlink:href="bfx-20231231.xsd#bfx_DirectMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_06ef2116-ac97-476f-9a45-51a201bde16f" xlink:to="loc_bfx_DirectMember_c3aa27c6-dbf0-4127-8624-db3e39a781b4" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_RetailSegmentMember_987e7d11-15fa-4b2a-a320-2e7d73b267cb" xlink:href="bfx-20231231.xsd#bfx_RetailSegmentMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_06ef2116-ac97-476f-9a45-51a201bde16f" xlink:to="loc_bfx_RetailSegmentMember_987e7d11-15fa-4b2a-a320-2e7d73b267cb" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_UnallocatedRoyaltyIncomeMember_db581aec-85b0-4a6d-8a93-4b640ae49fd8" xlink:href="bfx-20231231.xsd#bfx_UnallocatedRoyaltyIncomeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_06ef2116-ac97-476f-9a45-51a201bde16f" xlink:to="loc_bfx_UnallocatedRoyaltyIncomeMember_db581aec-85b0-4a6d-8a93-4b640ae49fd8" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_b3c079ca-745a-4ea8-947f-c4606d143dde" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NumberOfOperatingSegments"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6918d650-2ae5-4403-8c6f-135bdcc1aa82" xlink:to="loc_us-gaap_NumberOfOperatingSegments_b3c079ca-745a-4ea8-947f-c4606d143dde" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_d65d4c63-8455-418a-886e-966a9844860f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6918d650-2ae5-4403-8c6f-135bdcc1aa82" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_d65d4c63-8455-418a-886e-966a9844860f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_Contribution_e612a619-bb0f-432a-94b6-4cd36627a42f" xlink:href="bfx-20231231.xsd#bfx_Contribution"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6918d650-2ae5-4403-8c6f-135bdcc1aa82" xlink:to="loc_bfx_Contribution_e612a619-bb0f-432a-94b6-4cd36627a42f" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_RoyaltyRevenueNet_a50a5d7b-987e-4484-b109-638aa726f4a5" xlink:href="bfx-20231231.xsd#bfx_RoyaltyRevenueNet"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6918d650-2ae5-4403-8c6f-135bdcc1aa82" xlink:to="loc_bfx_RoyaltyRevenueNet_a50a5d7b-987e-4484-b109-638aa726f4a5" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_09fb4f6e-4c4b-448b-a71b-52e225554338" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6918d650-2ae5-4403-8c6f-135bdcc1aa82" xlink:to="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_09fb4f6e-4c4b-448b-a71b-52e225554338" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_c07b4768-24bb-40e9-ab40-2949da48c10e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingExpenses"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_09fb4f6e-4c4b-448b-a71b-52e225554338" xlink:to="loc_us-gaap_OperatingExpenses_c07b4768-24bb-40e9-ab40-2949da48c10e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_c0e88b26-5e92-4359-82c6-5eb435d30a40" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_09fb4f6e-4c4b-448b-a71b-52e225554338" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_c0e88b26-5e92-4359-82c6-5eb435d30a40" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_4e37c6c8-f660-4863-83f4-9a40814fc9eb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_09fb4f6e-4c4b-448b-a71b-52e225554338" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_4e37c6c8-f660-4863-83f4-9a40814fc9eb" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_50f2846b-cee3-41b8-b905-657cb9bb7611" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_09fb4f6e-4c4b-448b-a71b-52e225554338" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_50f2846b-cee3-41b8-b905-657cb9bb7611" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_7ca11d9c-3ad9-4d20-bbf8-ea2acb58789d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6918d650-2ae5-4403-8c6f-135bdcc1aa82" xlink:to="loc_us-gaap_Assets_7ca11d9c-3ad9-4d20-bbf8-ea2acb58789d" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_bb77c0a5-971f-4f58-bde4-b6d0431ab705" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetImpairmentCharges"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6918d650-2ae5-4403-8c6f-135bdcc1aa82" xlink:to="loc_us-gaap_AssetImpairmentCharges_bb77c0a5-971f-4f58-bde4-b6d0431ab705" xlink:type="arc" order="6"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/SegmentandEnterprisewideInformationConcentrationDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#SegmentandEnterprisewideInformationConcentrationDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/SegmentandEnterprisewideInformationConcentrationDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_1b8b81b5-dc96-44e2-aa57-f8d827976643" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTable_d7288cd3-58f8-44a2-a779-d980d86edd8a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_1b8b81b5-dc96-44e2-aa57-f8d827976643" xlink:to="loc_us-gaap_ConcentrationRiskTable_d7288cd3-58f8-44a2-a779-d980d86edd8a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_df2eaea5-2a94-4d1a-bbef-bff34db77848" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MajorCustomersAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_d7288cd3-58f8-44a2-a779-d980d86edd8a" xlink:to="loc_srt_MajorCustomersAxis_df2eaea5-2a94-4d1a-bbef-bff34db77848" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_df2eaea5-2a94-4d1a-bbef-bff34db77848_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_NameOfMajorCustomerDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_df2eaea5-2a94-4d1a-bbef-bff34db77848" xlink:to="loc_srt_NameOfMajorCustomerDomain_df2eaea5-2a94-4d1a-bbef-bff34db77848_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_75e22adf-dac7-471e-925b-fb4ca39276b0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_NameOfMajorCustomerDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_df2eaea5-2a94-4d1a-bbef-bff34db77848" xlink:to="loc_srt_NameOfMajorCustomerDomain_75e22adf-dac7-471e-925b-fb4ca39276b0" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_Amazon.comMember_d8f13fa6-5bde-4693-acbc-7202bbd44266" xlink:href="bfx-20231231.xsd#bfx_Amazon.comMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_75e22adf-dac7-471e-925b-fb4ca39276b0" xlink:to="loc_bfx_Amazon.comMember_d8f13fa6-5bde-4693-acbc-7202bbd44266" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_CostcoMember_635b76dc-4c10-4baa-8815-313e4f179275" xlink:href="bfx-20231231.xsd#bfx_CostcoMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_75e22adf-dac7-471e-925b-fb4ca39276b0" xlink:to="loc_bfx_CostcoMember_635b76dc-4c10-4baa-8815-313e4f179275" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_451768d4-67b2-4fe1-a727-3f231d8151d1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_d7288cd3-58f8-44a2-a779-d980d86edd8a" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_451768d4-67b2-4fe1-a727-3f231d8151d1" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_451768d4-67b2-4fe1-a727-3f231d8151d1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_451768d4-67b2-4fe1-a727-3f231d8151d1" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_451768d4-67b2-4fe1-a727-3f231d8151d1_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_f8afab75-e463-4107-a91a-708f8b52c7f6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_451768d4-67b2-4fe1-a727-3f231d8151d1" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_f8afab75-e463-4107-a91a-708f8b52c7f6" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetMember_1b256166-eefa-412f-b5ac-a493c687e60e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesRevenueNetMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_f8afab75-e463-4107-a91a-708f8b52c7f6" xlink:to="loc_us-gaap_SalesRevenueNetMember_1b256166-eefa-412f-b5ac-a493c687e60e" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_f44c2cc1-8784-47d5-a1b0-f143a51b6c32" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_d7288cd3-58f8-44a2-a779-d980d86edd8a" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_f44c2cc1-8784-47d5-a1b0-f143a51b6c32" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_f44c2cc1-8784-47d5-a1b0-f143a51b6c32_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_f44c2cc1-8784-47d5-a1b0-f143a51b6c32" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_f44c2cc1-8784-47d5-a1b0-f143a51b6c32_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_f8e1a6a4-05c8-4011-8cb4-199248b1a726" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_f44c2cc1-8784-47d5-a1b0-f143a51b6c32" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_f8e1a6a4-05c8-4011-8cb4-199248b1a726" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_cd4b2cc6-075a-462a-a040-abb264f488c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CustomerConcentrationRiskMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_f8e1a6a4-05c8-4011-8cb4-199248b1a726" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_cd4b2cc6-075a-462a-a040-abb264f488c7" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_ff0e9fca-8dcc-4389-ae50-2fc38cfdbf97" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskPercentage1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_1b8b81b5-dc96-44e2-aa57-f8d827976643" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_ff0e9fca-8dcc-4389-ae50-2fc38cfdbf97" xlink:type="arc" order="0"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/BorrowingsLoanAgreementDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#BorrowingsLoanAgreementDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/BorrowingsLoanAgreementDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_3d1d49f9-d412-4d65-825f-80c5e09f3fba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_16203f48-1e24-45d5-a346-de1f649276bc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_3d1d49f9-d412-4d65-825f-80c5e09f3fba" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_16203f48-1e24-45d5-a346-de1f649276bc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_0e2c3384-9161-4847-928c-aedad38718a2" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_16203f48-1e24-45d5-a346-de1f649276bc" xlink:to="loc_srt_RangeAxis_0e2c3384-9161-4847-928c-aedad38718a2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_0e2c3384-9161-4847-928c-aedad38718a2_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_0e2c3384-9161-4847-928c-aedad38718a2" xlink:to="loc_srt_RangeMember_0e2c3384-9161-4847-928c-aedad38718a2_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_50c0d7e7-e5a3-4fc5-8640-70d4a9ef1970" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_0e2c3384-9161-4847-928c-aedad38718a2" xlink:to="loc_srt_RangeMember_50c0d7e7-e5a3-4fc5-8640-70d4a9ef1970" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_4b9f92d1-4693-44ea-8dbb-3b24e254cebb" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_50c0d7e7-e5a3-4fc5-8640-70d4a9ef1970" xlink:to="loc_srt_MinimumMember_4b9f92d1-4693-44ea-8dbb-3b24e254cebb" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_ed2a74d6-928c-4c1c-9dff-b5549d0548b9" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_50c0d7e7-e5a3-4fc5-8640-70d4a9ef1970" xlink:to="loc_srt_MaximumMember_ed2a74d6-928c-4c1c-9dff-b5549d0548b9" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_9b568263-36fa-44e2-ba4e-04fb62d672c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_16203f48-1e24-45d5-a346-de1f649276bc" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_9b568263-36fa-44e2-ba4e-04fb62d672c6" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_9b568263-36fa-44e2-ba4e-04fb62d672c6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_9b568263-36fa-44e2-ba4e-04fb62d672c6" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_9b568263-36fa-44e2-ba4e-04fb62d672c6_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_1c0c08b2-06af-4b4d-909e-1962bd4c934f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_9b568263-36fa-44e2-ba4e-04fb62d672c6" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_1c0c08b2-06af-4b4d-909e-1962bd4c934f" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_e707e8d2-fd5d-46f6-8991-ff5bc360abaf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_1c0c08b2-06af-4b4d-909e-1962bd4c934f" xlink:to="loc_us-gaap_LineOfCreditMember_e707e8d2-fd5d-46f6-8991-ff5bc360abaf" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_9ac8671c-fa4b-44a3-af45-2a027f618b47" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_16203f48-1e24-45d5-a346-de1f649276bc" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_9ac8671c-fa4b-44a3-af45-2a027f618b47" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_9ac8671c-fa4b-44a3-af45-2a027f618b47_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityLenderDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_9ac8671c-fa4b-44a3-af45-2a027f618b47" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_9ac8671c-fa4b-44a3-af45-2a027f618b47_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_944118c5-467b-49a7-9ba9-a4c844abe883" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityLenderDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_9ac8671c-fa4b-44a3-af45-2a027f618b47" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_944118c5-467b-49a7-9ba9-a4c844abe883" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_WellsFargoBankMember_a9e74f23-35d3-4612-9f4e-bedd0eda1e3e" xlink:href="bfx-20231231.xsd#bfx_WellsFargoBankMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_944118c5-467b-49a7-9ba9-a4c844abe883" xlink:to="loc_bfx_WellsFargoBankMember_a9e74f23-35d3-4612-9f4e-bedd0eda1e3e" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_1bd90ab8-44b4-4ae7-8198-92a17c34a86c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_16203f48-1e24-45d5-a346-de1f649276bc" xlink:to="loc_us-gaap_CreditFacilityAxis_1bd90ab8-44b4-4ae7-8198-92a17c34a86c" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_1bd90ab8-44b4-4ae7-8198-92a17c34a86c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_1bd90ab8-44b4-4ae7-8198-92a17c34a86c" xlink:to="loc_us-gaap_CreditFacilityDomain_1bd90ab8-44b4-4ae7-8198-92a17c34a86c_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_166f030e-c122-4bae-95e3-f45b4820eb76" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_1bd90ab8-44b4-4ae7-8198-92a17c34a86c" xlink:to="loc_us-gaap_CreditFacilityDomain_166f030e-c122-4bae-95e3-f45b4820eb76" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_37963d46-611a-4232-a3a0-25d6d09077c8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevolvingCreditFacilityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_166f030e-c122-4bae-95e3-f45b4820eb76" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_37963d46-611a-4232-a3a0-25d6d09077c8" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_TermLoanMember_125108d7-f285-4f2b-bd94-b5cc02850cd2" xlink:href="bfx-20231231.xsd#bfx_TermLoanMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_166f030e-c122-4bae-95e3-f45b4820eb76" xlink:to="loc_bfx_TermLoanMember_125108d7-f285-4f2b-bd94-b5cc02850cd2" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_eb3def60-0a04-40d2-af96-99286753f30f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SecuredDebtMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_166f030e-c122-4bae-95e3-f45b4820eb76" xlink:to="loc_us-gaap_SecuredDebtMember_eb3def60-0a04-40d2-af96-99286753f30f" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_92258fde-61e2-4189-bd3e-8444a0c42449" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_16203f48-1e24-45d5-a346-de1f649276bc" xlink:to="loc_us-gaap_VariableRateAxis_92258fde-61e2-4189-bd3e-8444a0c42449" xlink:type="arc" order="5"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_92258fde-61e2-4189-bd3e-8444a0c42449_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_92258fde-61e2-4189-bd3e-8444a0c42449" xlink:to="loc_us-gaap_VariableRateDomain_92258fde-61e2-4189-bd3e-8444a0c42449_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_6f7797f3-c4c9-45e6-80d7-ef9587084e83" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_92258fde-61e2-4189-bd3e-8444a0c42449" xlink:to="loc_us-gaap_VariableRateDomain_6f7797f3-c4c9-45e6-80d7-ef9587084e83" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_SecuredOvernightFinancingRateSOFRMember_8bc16f7d-afc4-43cf-b0bb-7df320aa953f" xlink:href="bfx-20231231.xsd#bfx_SecuredOvernightFinancingRateSOFRMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_6f7797f3-c4c9-45e6-80d7-ef9587084e83" xlink:to="loc_bfx_SecuredOvernightFinancingRateSOFRMember_8bc16f7d-afc4-43cf-b0bb-7df320aa953f" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_79b46a49-0a45-4564-aa1b-d4696f3098c5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_16203f48-1e24-45d5-a346-de1f649276bc" xlink:to="loc_us-gaap_DebtInstrumentAxis_79b46a49-0a45-4564-aa1b-d4696f3098c5" xlink:type="arc" order="6"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_79b46a49-0a45-4564-aa1b-d4696f3098c5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_79b46a49-0a45-4564-aa1b-d4696f3098c5" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_79b46a49-0a45-4564-aa1b-d4696f3098c5_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_ea577894-4ef8-40e7-8cb6-72c8cc62b014" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_79b46a49-0a45-4564-aa1b-d4696f3098c5" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_ea577894-4ef8-40e7-8cb6-72c8cc62b014" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_SLRCreditAgreementMember_f5362748-f6e4-4a9c-9ff0-b22d0d3d45f4" xlink:href="bfx-20231231.xsd#bfx_SLRCreditAgreementMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ea577894-4ef8-40e7-8cb6-72c8cc62b014" xlink:to="loc_bfx_SLRCreditAgreementMember_f5362748-f6e4-4a9c-9ff0-b22d0d3d45f4" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_WFCreditFacilityMember_c7d9a644-4c86-47c2-a17c-f60cee24391e" xlink:href="bfx-20231231.xsd#bfx_WFCreditFacilityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ea577894-4ef8-40e7-8cb6-72c8cc62b014" xlink:to="loc_bfx_WFCreditFacilityMember_c7d9a644-4c86-47c2-a17c-f60cee24391e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_CreditFacilityMember_c27c44f3-2b62-449e-a3cb-218260afad90" xlink:href="bfx-20231231.xsd#bfx_CreditFacilityMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ea577894-4ef8-40e7-8cb6-72c8cc62b014" xlink:to="loc_bfx_CreditFacilityMember_c27c44f3-2b62-449e-a3cb-218260afad90" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_VariableRateComponentAxis_6160fab3-22b8-4621-9f6b-93de4c609247" xlink:href="bfx-20231231.xsd#bfx_VariableRateComponentAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_16203f48-1e24-45d5-a346-de1f649276bc" xlink:to="loc_bfx_VariableRateComponentAxis_6160fab3-22b8-4621-9f6b-93de4c609247" xlink:type="arc" order="7"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_VariableRateComponentDomain_6160fab3-22b8-4621-9f6b-93de4c609247_default" xlink:href="bfx-20231231.xsd#bfx_VariableRateComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_bfx_VariableRateComponentAxis_6160fab3-22b8-4621-9f6b-93de4c609247" xlink:to="loc_bfx_VariableRateComponentDomain_6160fab3-22b8-4621-9f6b-93de4c609247_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_VariableRateComponentDomain_ce1fd6e7-6250-4e03-b752-bd4da9ddba6e" xlink:href="bfx-20231231.xsd#bfx_VariableRateComponentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_bfx_VariableRateComponentAxis_6160fab3-22b8-4621-9f6b-93de4c609247" xlink:to="loc_bfx_VariableRateComponentDomain_ce1fd6e7-6250-4e03-b752-bd4da9ddba6e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_bfx_VariableRateComponentOneMember_a77ea8a8-a80d-4d8f-8ed7-8001a8ce1674" xlink:href="bfx-20231231.xsd#bfx_VariableRateComponentOneMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bfx_VariableRateComponentDomain_ce1fd6e7-6250-4e03-b752-bd4da9ddba6e" xlink:to="loc_bfx_VariableRateComponentOneMember_a77ea8a8-a80d-4d8f-8ed7-8001a8ce1674" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_71777e66-e45c-46ee-8b8e-2988aa737914" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_3d1d49f9-d412-4d65-825f-80c5e09f3fba" xlink:to="loc_us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_71777e66-e45c-46ee-8b8e-2988aa737914" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_807a9d00-5a29-4059-a5a7-910e5fc5cc7e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_3d1d49f9-d412-4d65-825f-80c5e09f3fba" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_807a9d00-5a29-4059-a5a7-910e5fc5cc7e" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_16a4d6bc-f542-434b-9068-eb18e7083d9e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_3d1d49f9-d412-4d65-825f-80c5e09f3fba" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_16a4d6bc-f542-434b-9068-eb18e7083d9e" xlink:type="arc" order="2"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_e6148b7d-c43f-4ad7-be75-1a9be59a4cab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_3d1d49f9-d412-4d65-825f-80c5e09f3fba" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_e6148b7d-c43f-4ad7-be75-1a9be59a4cab" xlink:type="arc" order="3"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_31d07b5d-de7c-4df5-a3fa-a78b0e33fdf3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_3d1d49f9-d412-4d65-825f-80c5e09f3fba" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_31d07b5d-de7c-4df5-a3fa-a78b0e33fdf3" xlink:type="arc" order="4"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_c782af0a-f70d-4e48-a23f-aaf3a65b9d1e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_3d1d49f9-d412-4d65-825f-80c5e09f3fba" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_c782af0a-f70d-4e48-a23f-aaf3a65b9d1e" xlink:type="arc" order="5"/>
</link:definitionLink>
<link:roleRef roleURI="http://www.bowflex.com/role/CommitmentsandContingenciesDetails" xlink:type="simple" xlink:href="bfx-20231231.xsd#CommitmentsandContingenciesDetails"/>
<link:definitionLink xlink:role="http://www.bowflex.com/role/CommitmentsandContingenciesDetails" xlink:type="extended">
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentLineItems_db7ca008-acd8-48d6-9d06-836aae2d5cc6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PurchaseCommitmentExcludingLongtermCommitmentLineItems"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentTable_1c8baa9d-d67b-4fc7-a55f-72fc2164b378" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PurchaseCommitmentExcludingLongtermCommitmentTable"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentLineItems_db7ca008-acd8-48d6-9d06-836aae2d5cc6" xlink:to="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentTable_1c8baa9d-d67b-4fc7-a55f-72fc2164b378" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis_906b2c74-b4f3-4547-854a-bd078c657b99" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentTable_1c8baa9d-d67b-4fc7-a55f-72fc2164b378" xlink:to="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis_906b2c74-b4f3-4547-854a-bd078c657b99" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain_906b2c74-b4f3-4547-854a-bd078c657b99_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis_906b2c74-b4f3-4547-854a-bd078c657b99" xlink:to="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain_906b2c74-b4f3-4547-854a-bd078c657b99_default" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain_c253dc57-ee79-4d5e-b3ba-0aa9fcf1f814" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis_906b2c74-b4f3-4547-854a-bd078c657b99" xlink:to="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain_c253dc57-ee79-4d5e-b3ba-0aa9fcf1f814" xlink:type="arc" order="1"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoriesMember_dacdcca8-0ef7-454b-a497-41e9708c0c88" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InventoriesMember"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain_c253dc57-ee79-4d5e-b3ba-0aa9fcf1f814" xlink:to="loc_us-gaap_InventoriesMember_dacdcca8-0ef7-454b-a497-41e9708c0c88" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_31db751d-764a-40ae-b6bf-0682644c1365" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentLineItems_db7ca008-acd8-48d6-9d06-836aae2d5cc6" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_31db751d-764a-40ae-b6bf-0682644c1365" xlink:type="arc" order="0"/>
<link:loc xlink:type="locator" xlink:label="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_6cc1e787-4fc3-4fae-b450-b56806169dd3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PurchaseObligationDueInNextTwelveMonths"/>
<link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentLineItems_db7ca008-acd8-48d6-9d06-836aae2d5cc6" xlink:to="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_6cc1e787-4fc3-4fae-b450-b56806169dd3" xlink:type="arc" order="1"/>
</link:definitionLink>
</link:linkbase>


3 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 4/22/08  Nautilus, Inc.                    DEF 14A     6/03/08    1:1M                                     Donnelley … Solutions/FA
 1/31/07  Nautilus, Inc.                    8-K:1,5     1/31/07    1:23K                                    R R Donnelley … Filer/FA
 4/05/05  Nautilus, Inc.                    8-K:5,9     3/30/05    2:107K                                   Donnelley … Solutions/FA
Top
Filing Submission 0001078207-24-000019   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Sun., May 12, 10:28:26.1pm ET