我国优秀女子三级跳远运动员单足跳技术的生物力学分析

以参加第11届全运会田径比赛女子三级跳远决赛的前8名运动员作为研究对象,就其单足跳技术的运动学指标作为研究内容,结合世界优秀女子三级跳远运动员的相关资料,试图找出影响我国优秀女子三级跳远运动员单足跳技术的因素所在。结果表明:我国优秀女子三级跳远运动员的着地角与躯干前倾角普遍偏小;起跳腿膝关节的弯曲程度较大,髋角偏小;起跳腿膝关节的蹬伸幅度小,缓冲时间较长;起跳腿离地瞬间的起跳脚表现出"着地角大于起跳角"技术特征。

Biomechanical Analysis of the Hop Technique of Chinese Elite Female Triple Jumpers

This research chooses the top eight athletes of the female triple jump finals in track and field events of the 11th National Games as the objects,and takes the kinetic index of the hop techniques as the content of the research.In light of the relevant data of the world elite female triple jumpers,the research is trying to find out the factors which influence the hop technology of Chinese elite female triple jumpers.The results indicate that the touching-ground angle and the body’s anteversion angle of Chinese elite female triple jumpers is universally small,the tortuosity of the keen joint of the take-off leg is comparatively big,the angle of the hip is a little smaller,the keen joint of the take-off leg has a small range,the hip-bone joint angel and the pedaled and stretch range of the take-off leg are also smaller.The cushion period is a little longer;while in a very short time of the take-off leg leaving the ground,the take-off foot manifests the technique characteristics as the touching-ground angle is bigger than the take-off angle.