Single joint kinematic alterations have been identified during gait in those with chronic ankle instability\ud(CAI). The purpose of this study was to compare sagittal plane hip, knee, and ankle kinematics during walking in participants with and without CAI. Twelve individuals with CAI and 12 healthy individuals walked on a treadmill at 1.5 m/s. Three-dimensional kinematics were analyzed using mean ensemble curves and independent t tests. Participants with CAI demonstrated less lower extremity flexion during the absorption phase of stance and the limb placement phase of swing, which may have implications for limb placement at initial contact.
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机译：在慢性脚踝不稳\ ud（CAI）的步态中，已经确定了单关节运动学改变。这项研究的目的是比较有和没有CAI的参与者在行走过程中矢状面髋，膝和踝的运动学。十二名患有CAI的人和十二名健康的人以1.5 m / s的速度在跑步机上行走。使用平均合奏曲线和独立的t检验分析了三维运动学。有CAI的参与者在姿势吸收阶段和挥杆的肢体放置阶段表现出较低的下肢屈曲，这可能与初次接触时肢体放置有关。
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