Coordination stability between the legs is reduced after anterior cruciate ligament reconstruction

Clinical Biomechanics
Cortney N ArmitanoDaniel M Russell

Abstract

The study was designed to examine coordination differences in walking between individuals with an anterior cruciate ligament reconstruction compared with healthy matched controls. Predictions from the extended Haken, Kelso, and Bunz coupled oscillator model were tested in these populations. Seventeen persons with anterior cruciate ligament reconstruction and 17 matched controls participated in the study. Sagittal plane angular knee displacement was recorded using electrogoniometers over the lateral right and left knee joints while participants walked at five walking speeds overground. Coordination pattern and stability between the knees were quantified by mean and standard deviation of relative phase, respectively. Mean relative phase was not influenced by walking speed or group. For both groups, coordination stability was maximal when individual's walked at their preferred gait speed. However, the anterior cruciate ligament reconstruction group demonstrated reduced coordination stability compared with healthy controls across the five speeds. Multiple regression analyses found that people with anterior cruciate ligament reconstruction who deviated more from antiphase coordination had decreased coordination stability. Anterior c...Continue Reading

Citations

Apr 29, 2020·Scandinavian Journal of Medicine & Science in Sports·Cortney N Armitano-LagoDaniel M Russell
Jun 22, 2021·Journal of Motor Behavior·Cortney Armitano-LagoAdam W Kiefer

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