Department of Physical Education, National Taiwan Normal University, Taipei, Taiwan.
J Sports Sci Med. 2019 Nov 19;18(4):653-662. eCollection 2019 Dec.
This study analyzed landing strategies used by athletes with chronic ankle instability (CAI) and copers compared to uninjured controls. Thirty participants were asked to perform a single-leg forward jump followed by a single-leg landing. Compared to uninjured controls, those with CAI athletes had significantly greater hip flexion and ankle eversion angles at initial landing, suggesting preference for using hip movements and extra ankle eversion angles to avoid ankle inversion when landing. CAI athletes were also found to have significantly decreased peroneus longus activation and higher ankle inversion velocity were both found during descending phase. And these were potential contributors to cause ankle inversion injury as there were likely many others. Based on these findings, CAI athletes may need to utilize more multi-joint or multi-muscle strategies during landing to maintain stability and prevent re-injury.
本研究分析了慢性踝关节不稳定（CAI）运动员和适应者与未受伤对照组相比使用的着陆策略。 要求 30 名参与者进行单腿向前跳跃，然后进行单腿着陆。与未受伤的对照组相比，CAI 运动员在最初着陆时髋关节屈曲和踝关节外翻角度明显更大，这表明他们更喜欢使用髋关节运动和额外的踝关节外翻角度来避免踝关节内翻。还发现 CAI 运动员的腓骨长肌激活明显减少，下降阶段的踝关节内翻速度也更高。这些都是导致踝关节内翻损伤的潜在因素，可能还有其他很多因素。基于这些发现，CAI 运动员在着陆时可能需要更多地利用多关节或多肌肉策略来保持稳定性并防止再次受伤。
