![]() ![]() Knee flexion angles increased for the Control group only. The groups differenced for within-group changes in knee flexion trajectories at follow-up. Knee external flexion moments for the unsleeved injured sides were lower than the uninjured sides for 80% of stance phase, with no change when sleeved. Discrete initial and peak knee flexion angles increased by (mean difference, 95% CIs) 2.7° (1.3, 4.1) and 3.0° (1.2, 4.9), respectively, when wearing the knee sleeve. ![]() When wearing the sleeve on the injured side, knee flexion increased during the loading phase of the stance phase. Without sleeves, knee flexion was lower for the injured than the uninjured sides during mid-stance phase. We compared discrete flexion angles and moments, and stance duration between conditions and between groups. We used statistical parametric mapping to compare (1) knee flexion/extension angle and external flexion/extension moment trajectories between three conditions at baseline (uninjured side, unsleeved injured side and sleeved injured side) (2) within-participant changes for knee flexion angles and external flexion/extension moment trajectories from baseline to follow-up between groups. In a subsequent randomised clinical trial, participants in the ‘Sleeve Group’ ( n = 9) then wore the sleeve for 6 weeks at least 1 h daily, while a ‘Control Group’ ( n = 9) did not wear the sleeve. Using a cross-over design, we estimated sagittal plane knee kinematics and kinetics and stance duration during a step-down hop for 31 participants (age 26.0 years, 15 women) after ACLR (median 16 months post-surgery) with and without wearing a knee sleeve. To determine the immediate and six-week effects of wearing a knee sleeve on biomechanics of the knee during a step-down hop task. Elastic knee sleeves are often worn following anterior cruciate ligament reconstruction (ACLR) but their effects on movement patterns are unclear.
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