摘要
短跑途中跑的前支撑阶段是人体水平加速的主要动力阶段;以髂腰肌为主的屈髋肌群和以股二头肌为主的伸髋肌群是人体水平加速的原动肌;缓冲被赋予新的意义;途中跑时应增大脚着地点的距离；并尽快结束无效蹬伸。
The early part of the supporting phase is the important dynamic stage for the body抯 horizontal acceleration.The flexion and extension muscle groups of the hip are the dynamic force producer in the body抯 horizontal acceleration. Cushioning effect is endowed win a new meaning. Increase the distance between the place of one抯 center of gravity projection and the feet reached,and should finished invalid extension quickly.
出处
《四川体育科学》
2004年第1期53-54,68,共3页
Sichuan Sports Science
