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首页> 外文期刊>Journal of orthopaedic research >Coordination and symmetry patterns during the drop vertical jump, 6-months after first-time lateral ankle sprain
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Coordination and symmetry patterns during the drop vertical jump, 6-months after first-time lateral ankle sprain

机译：首次侧踝扭伤后六个月下降垂直跳跃过程中的协调和对称模式

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摘要

To evaluate the adaptive movement and motor control patterns of a group with a 6-month history of first-time lateral ankle sprain (LAS) injury during a drop vertical jump (DVJ) task. Fifty-one participants with a 6-month history of first-time acute LAS injury and twenty controls performed a DVJ task. 3D kinematic and sagittal plane kinetic profiles were plotted for the lower extremity joints of both limbs for the drop jump (phase 1) and drop landing (phase 2) phases of the DVJ. Inter-limb symmetry and the rate of impact modulation (RIM) relative to bodyweight (BW) during both phases of the DVJ were also determined. LAS participants displayed bilateral increases in knee flexion and an increase in ankle inversion during phases 1 and 2, respectively. They also displayed reduced ankle plantar flexion on their injured limb during both phases of the DVJ (p<0.05); increased inter-limb asymmetry of RIM was noted for both phases of the DVJ, while the moment-of-force profile exhibited bilaterally greater hip extensor dominance during phase 1. Participants with a 6-month history of first-time LAS display some movement patterns consistent with those observed in chronic ankle instability populations during similar tasks. (c) 2015 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 33:1537-1544, 2015.
机译：若要评估具有垂直下降（DVJ）任务时首次出现外侧踝扭伤（LAS）六个月历史的小组的适应性运动和运动控制模式。首次急性LAS损伤6个月的病史和21位对照的51位参与者执行了DVJ任务。为DVJ的跌落跳跃（阶段1）和跌落着陆（阶段2）阶段绘制了两肢下肢关节的3D运动和矢状平面动力学曲线。还确定了DVJ的两个阶段期间的肢间对称性以及相对于体重（BW）的冲击调制率（RIM）。 LAS参与者分别在第1阶段和第2阶段显示出双侧膝关节屈曲增加和踝关节内翻增加。在DVJ的两个阶段中，他们的受伤肢体脚踝plant屈都减少（p <0.05）。在DVJ的两个阶段，都注意到RIM的肢间不对称性增加，而在第1阶段，力矩曲线显示双侧髋关节伸肌优势更大。首次LAS病史为6个月的参与者表现出一些运动方式与在类似任务中在慢性踝关节不稳人群中观察到的结果一致。 （c）2015骨科研究学会。由Wiley Periodicals，Inc. J Orthop Res 33：1537-1544，2015年出版。

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