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首页> 外文期刊>Gait & posture >Gait initiation in lower limb amputees.
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Gait initiation in lower limb amputees.

机译：下肢截肢者的步态起始。

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摘要

OBJECTIVE: To study limitations in function and adjustment strategies in lower limb amputees during gait initiation. DESIGN: Observational cohort study. SETTING: University Medical Center. PARTICIPANTS: Amputees with a unilateral transfemoral or transtibial amputation, and able-bodied subjects. MAIN OUTCOME MEASURES: Leading limb preference, temporal variables, ground reaction forces, and centre of pressure shift. RESULTS: Amputees demonstrated a decrease in peak anterior ground reaction force, a smaller or absent posterior centre of pressure shift, and a lower gait initiation velocity. The main adjustments strategies in amputees were more limb-loading on the non-affected limb, prolonging the period of propulsive force production in the non-affected limb and initiating gait preferably with the prosthetic limb. CONCLUSION: Since an intact ankle joint and musculature is of major importance in gait initiation, functional limitations and adjustment strategies in transfemoral and transtibial amputees were similar. Improving prosthetic ankle properties and initiating gait with the prosthetic limb may facilitate the gait initiation process in amputees.
机译：目的：研究步态开始时下肢截肢者的功能和调节策略的局限性。设计：观察性队列研究。地点：大学医学中心。参加者：单侧经股或经胫截肢的截肢者，身体强健。主要观察指标：领先的肢体偏爱，时间变量，地面反作用力和压力转移中心。结果：截肢者表现出峰值前地面反作用力降低，后移中心较小或不存在，并且步态起始速度较低。被截肢者的主要调整策略是在未受影响的肢体上增加肢体负荷，延长未受影响的肢体中产生推力的时间，并最好以假肢开始步态。结论：由于完整的踝关节和肌肉组织在步态启动中非常重要，因此经股截肢和经胫截肢者的功能限制和调节策略相似。改善假肢的脚踝特性并用假肢启动步态可以促进截肢者的步态启动过程。

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