ArticleJournal of athletic training2025
Quadriceps Strength Does Not Associate With Gait Adaptation Ability in Individuals With Anterior Cruciate Ligament Reconstruction.
Article in Journal of athletic training, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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Who cites it
2 citing papers in PubMed.
- Peak Vertical Ground Reaction Force Modifies Gait Biomechanics Bilaterally Following ACL Reconstruction: A Randomized Experiment.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2025Trial
- Effects of Quadriceps Strength Recovery in the First Year After Anterior Cruciate Ligament Reconstruction on Gait Biomechanics.Sports health · 2026Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
contextPostoperative muscle weakness contributes to the development of aberrant gait biomechanics that persist after traditional anterior cruciate ligament reconstruction (ACLR). However, it is unknown if quadriceps weakness impedes the ability of ACLR patients to modify gait biomechanics using a real-time gait biofeedback (RTGBF) intervention.
objectiveThe purpose was to determine if quadriceps strength is associated with the ability to modify vertical ground reaction force (vGRF) during a RTGBF intervention.
designCross-sectional study.
settingResearch laboratory. PATIENTS OR OTHER
participantsThirty-five individuals with unilateral ACLR (time since ACLR = 32 ± 16 months; 22 females, 13 males). MAIN OUTCOME MEASURE(S): Peak vGRF (pvGRF) was evaluated during a baseline walking trial and three 250-step randomized RTGBF walking trials, by 5%, 10%, or 15% body weight (BW). The ability to modify gait was reported as changes in pvGRF (ΔpvGRF; body weight [BW]) and root mean square error (RMSE) of the peak vGRF relative to the feedback target (pvGRF RMSE; BW). We also calculated quadriceps strength.
resultsNo significant associations were found between strength (mean = 2.56 ± 0.75 Nm/kg; range, 0.84-4.6 Nm/kg) and ΔpvGRF (5% ΔpvGRF: 0.04 ± 0.03 BW, 10% ΔpvGRF: 0.10 ± 0.03 BW, 15% ΔpvGRF: 0.15 ± 0.04 BW) nor strength and RMSE (5% RMSE: 0.04 ± 0.02 BW, 10% RMSE: 0.05 ± 0.02 BW, 15% RMSE: 0.08 ± 0.04 BW) for any of the 3 RTGBF trials (R2 = 0.003-0.025; P = .37-.77).
conclusionsThe magnitude of quadriceps strength did not influence the ability to modify gait using RTGBF. These data suggest that it may be unnecessary to wait for quadriceps full strength recovery to capitalize on the benefits of RTGBF after ACLR.
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