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Related Experiment Video

Updated: May 1, 2026

Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion
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Revisiting the ACL reconstruction rehabilitation algorithm: A gait analysis study.

Champak Roy1, Vineet Kumar1, Devashish Chhutani1

  • 1Department of Orthopaedics, Dr. RML Institute of Medical Sciences, Lucknow, U.P, India.

Journal of Clinical Orthopaedics and Trauma
|January 16, 2026
PubMed
Summary
This summary is machine-generated.

Anterior cruciate ligament (ACL) reconstruction patients exhibit altered gait patterns and reduced trunk movement one year post-surgery. Hip strengthening exercises are crucial for restoring optimal gait and improving patient outcomes.

Keywords:
ACL reconstructionBiomechanical adaptationsGait analysisKnee stabilityNeuromuscular functionRehabilitation

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Area of Science:

  • Orthopedics
  • Sports Medicine
  • Biomechanics

Background:

  • Anterior cruciate ligament (ACL) injuries are prevalent in young adults, leading to knee instability and reduced quality of life.
  • Despite surgical advancements, persistent quadriceps weakness, altered gait, and increased osteoarthritis risk remain challenges post-ACL reconstruction.

Purpose of the Study:

  • To investigate knee joint stability and gait patterns in patients one year after ACL reconstruction.
  • To identify specific gait deviations and functional limitations in the post-ACL reconstruction population.

Main Methods:

  • A prospective cohort study involving 45 patients within one year of ACL reconstruction.
  • Gait analysis using an infrared camera system and force plates.
  • Lysholm knee scoring scale for functional assessment.

Main Results:

  • Patients demonstrated high knee function (average Lysholm score: 95.33).
  • Gait analysis revealed altered patterns, including reduced trunk movement and deviations in stride parameters.
  • Observed were lower trunk obliquity/tilt, reduced knee valgus-varus alignment, and decreased knee flexion-extension in the operated limb.

Conclusions:

  • ACL reconstruction patients exhibit significantly altered gait patterns and reduced trunk movement.
  • Comprehensive rehabilitation focusing on hip strengthening is essential for restoring optimal gait.
  • Tailored physiotherapy can enhance hip muscle strength and symmetry, improving long-term patient outcomes and quality of life.