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表示各部位终结点之间距离的质量中心(CM)位置的数据是取自Hay(1985)并由Clauser等(1969)最后收集的.每幅照片的各个部位的CM是由经修匀的部位终结点资料计算而得的。此外,膝关节以上的肢体的CM,在以后称之为上肢,是利用分段方法(Hay,1985)计算的.还计算了上肢CM的位置与膝关节中心之间的距离。肢体部位在弧形面中的角方位是由每幅照片的原始位移数据计算出的。角方位的误差计算使用与位移数据所述的方法相同。对于两个对比者所有部位的平均角位移误差为2°。然后将两组角位移数据利用五次仿样进行修匀。膝关节角度是由经修匀的股与胫的
Data for the position of the center of mass (CM) indicating the distance between the end points of each part is taken from Hay (1985) and finally collected by Clauser et al. (1969) The CM for each part of each photograph is calculated from the trimmed part End point data calculated. In addition, the CM of the limbs above the knee joint, hereinafter referred to as the upper limbs, is calculated using the segmented method (Hay 1985) The distance between the upper limb CM and the center of the knee joint is also calculated. The angular orientation of the limbs in the arcuate surface is calculated from the original displacement data for each photograph. The angular orientation error calculation is the same as described for the displacement data. The average angular displacement error for all sites for both controls was 2 °. Then two sets of angular displacement data using five spline to smooth. The angle of the knee is made from trimmed shin and tibia