文章基本信息

标题：BIODYNAMICAL PROFIL OF THE TAKE-OFF ACTION IN HIGH JUMP
本地全文：下载
作者：Milan Čoh ; Matej Supej ; Milan Žvan 等
期刊名称：Sport Mont
印刷版ISSN：1451-7485
电子版ISSN：2337-0351
出版年度：2010
卷号：8
期号：23-24
页码：12-19
语种：English
出版社：Montenegrin Sports Academy and Faculty for Sport and Physical Education
摘要：The aim of this study was to identify the key dynamic and kinematic parameters of the take-off action in the high jump. The authors studied a single elite athlete (personal record 2.31m) using a direct measurement method, i.e. a force plate, to measure the dynamic parameters and a synchronised 3D video system to measure the kinematic parameters. They were able to collect and calculate data on 49 variables. Given that the study was focused on just one athlete, generalisation of the results can only be limited. However, this was a very specific experiment where the results clearly have theoretical and practical value for biomechanical research of high jump technique modelling. Their findings include that the jumper studied developed the highest ground reaction force in the eccentric phase of the take-off. The ground reaction force in the vertical direction exceeded his body weight by 5.6 times. In the concentric phase, the maximum ground reaction force was 9% lower than in the eccentric phase. They were also able to identify large ground reaction forces in the horizontal and lateral directions, which are manifested in extreme loading on the ankle joint of the jumper’s take-off leg during the take-off action.
关键词：hight jump;technique;kinematic;dynamic;take-off action