Through biomechanical analysis of top Chinese long jumper's take off, we learned that the moving track, speed, displacement of body's center of gravity and kinematics character of leg in the take off.

运用生物力学的研究方法对我国优秀男子跳远运动员的起跳过程进行研究，得出我国优秀男子跳远运动员在起跳过程中身体重心的运动轨迹、重心速度、位移等运动变化情况，研究了摆动腿的运动特征。

youdao