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June 19, 2026Orthopaedic Journal of Sports MedicineOpen Access

Association Between Change in BMI and Patient-Reported Outcomes after ACL Reconstruction

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Authors

LBLauren ButlerAMAlexa MartinezMWMargaret Wright

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Overview

Randomized trial investigates how BMI change affects knee function and psychological readiness in ACLR patients, suggesting minimal clinical impact.

Key Points

  • The study aims to analyze how changes in body mass index (BMI) post-ACLR relate to patients' knee function and psychological readiness to return to sport.
  • Included 164 participants with data collected from two clinical sites.
  • Participants completed the ACL-RSI and IKDC assessments during the return to sport evaluation.
  • Used paired samples t-test and linear regressions to analyze BMI changes and covariates.
  • No significant difference was found between BMI at surgery and at the RTS test.
  • A unit increase in BMI was associated with a 1.1 point decrease in IKDC score.
  • BMI change did not significantly affect ACL-RSI scores.

Cite This Study

Butler et al. (2026) studied this question.

synapsesocial.com/papers/6a34dff765a5b0777af2ee8ahttps://doi.org/10.1177/2325967126s00223
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1The association between body weight changes and physical activity after anterior cruciate ligament reconstruction2025
  2. 2Impact of Biomechanical, Anthropometric, and Temporal Factors on the Return-to-Sport Rate in Recreational Athletes with ACL Reconstruction: A Cross-Sectional Observational Study2025 · 1 citations
  3. 3Limited correlation between physical performance and patient‐reported outcomes at 1‐year follow‐up after anterior cruciate ligament reconstruction2024 · 7 citations
  4. 4Correlation between Anterior Cruciate Ligament–Return to Sport after Injury Score at 6 Months after Anterior Cruciate Ligament Reconstruction and Mid-Term Functional Test Results: An Observational Study at 5-Year Follow-Up2024 · 8 citations
  5. 5Association Between Patient Reported Outcomes and Athletic Expostures Following Return to Sport After ACL Reconstruction: Does Age Matter?2026