Objective:To develop a detecting and analyzing system of dynamic and static ground reaction forces when walking or standing.
目的：研制一种集成检测动态行走和静态站立的地面反力分析系统。
Result: Gait characteristic and foot-ground reaction forces in initiation from standing at rest to the heel-contact for the second time was analyzed.
结果：描述、分析了完整起步过程各步相的特征以及地面对足的三维反作用力规律。
Therelationships among the ground reaction forces, the duration of passage through the air and the vertical impulse during stop jump shot were analyzed.
分析急停跳投阶段地面对测试对象的作用力、测试对象的腾空时间、垂直方向冲量等几个量之间的关系；
Method:A 3-D force platform for detecting the ground reaction forces and a special software for data acquisition, calculation and analysis were developed.
方法：设计三维测力台检测地面反力，开发数据采集、计算和分析的专用计算机软件。
Based on the data obtained from gait tests, the differences of ground reaction forces and the movements of lower limbs between the sound side and prosthetic side of above knee amputee were analyzed.
在对膝上假肢使用者健侧和残侧的步态进行检测的基础上，对健、残侧在步态周期内的地面反力、下肢运动和时相对称性进行了对比和分析，时相对称性差是膝上截肢者步态的主要问题。
Based on the data obtained from gait tests, the differences of ground reaction forces and the movements of lower limbs between the sound side and prosthetic side of above knee amputee were analyzed.
在对膝上假肢使用者健侧和残侧的步态进行检测的基础上，对健、残侧在步态周期内的地面反力、下肢运动和时相对称性进行了对比和分析，时相对称性差是膝上截肢者步态的主要问题。
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