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February 9, 2026Orthopaedic Journal of Sports Medicine1 citationsOpen Access

Bilateral Gait Biomechanics Changes After ACL Reconstruction Over Two Years

Progressive Bilateral Alterations in Gait Biomechanics Within 2 Years After Anterior Cruciate Ligament Reconstruction

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Authors

YLYiqun LuZMZhengye MaGZGuibin Zhang

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Overview

A controlled study evaluates changes in gait biomechanics post ACL reconstruction, suggesting the need for long-term rehabilitation.

Key Points

  • This study aims to evaluate the longitudinal changes in gait biomechanics over 24 months following ACL reconstruction.
  • Controlled laboratory study with 24 ACLR patients and 24 healthy participants
  • 3D gait analysis and ground-reaction forces measured at 3, 6, 12, and 24 months post-surgery
  • Linear mixed-effects models and two-way ANOVA were used for analysis.
  • At 3 months, the operated limb exhibited significantly lower biomechanical parameters compared to controls
  • By 12 months, pKEA and pKEM returned to normal levels, but some reductions resurfaced by 24 months
  • Bilateral compensation was noted in ground-reaction forces, with reductions areas resolving at different times.

Cite This Study

Lu et al. (2026) studied this question.

synapsesocial.com/papers/698979d9f0ec2af6756e7c81https://doi.org/10.1177/23259671251386457
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