Τετάρτη 20 Φεβρουαρίου 2019

Loading Behaviors Do Not Match Loading Abilities Post ACL Reconstruction

Purpose Strategies that underload the surgical limb following anterior cruciate ligament reconstruction (ACLr) are observed in submaximal tasks. It is not known what underlies these strategies in early rehabilitation. The purpose of this study was to determine if underloading can be attributed to the inability to meet task demands with and without attention to limb loading or learned behavior. Methods 20 individuals 110.6 (18.1) days post-ACLr and 20 healthy individuals (CTRL) participated in this study. Participants performed standing, sit-to-stand, and squat tasks under natural, instructed, and feedback conditions. Limb loading symmetry was calculated as the between-limb ratio of vertical ground reaction force impulse during each task. 2 (group) x 3 (condition) GLM repeated measures analysis determined effects of group and condition on limb loading symmetry for each task. Results Significant interactions were observed for each task (all P

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