女子铅球运动员滑步阶段速度节奏特征研究

Study on Characteristic of Velocity Rhythm in Glissading Phase of Elite Female Athletes in China

文章对我国优秀女子铅球运动员滑步阶段相关运动环节及铅球的速度节奏进行了研究。结果表明,滑步阶段的团身移殿—两腿摆蹬结束瞬间,移臀、两腿摆蹬动作配合的动作方向、距离及时间是决定各运动环节速度的主要因素。在右脚距离地面—右脚着地瞬间,右腿主动收拉右小腿是保持身体运动惯性,维持身体重心继续移动的重要环节。移臀与积极蹬右踝动作是滑步阶段整体速度行进的关键。

It had researched correlated movement tache and shots velocity rhythm of China elite female shot putters in the phase of glissading. This article has found that moving stern, action way distance and time of swaying and pressing action are the important factors in the process of from bending upper torso and moving stern to the swaying and pressing down lower limb. Right leg draws shank positively is the key to keep body and its center of gravity moving inertia in the phase of from right ankle moving away from ground to its touch down land. Moving stern and pressing down right leg are the key to keep whole body moving.