Tong Zehao, Chen Wenjia, Xu Hang, Zhai Feng
College of Physical Education, China University of Mining and Technology, Xuzhou 221116, China.
Department of Medical Imaging, Xuzhou Medical University, Xuzhou 221004, China.
Appl Bionics Biomech. 2022 Apr 11;2022:8301477. doi: 10.1155/2022/8301477. eCollection 2022.
The study's objective is to clarify the influence of drop height on elastic energy's utilization of the lower extremity, to indicate the correlations between elastic energy's utilization and personal best, and to determine the optimal loading height for elastic energy's utilization for male high jumpers. Ten male athletes who belong to high jump events work out the drop jump at different drop heights (0.3 m, 0.45 m, 0.6 m, and 0.75 m). Two AMTI force platforms were used to capture the dynamics data for the lower extremity. Drop height has obvious influence on utilization ratio for elastic energy ( < 0.01). The utilization ratio of elastic energy has no note correlation with personal best ( = 0.149, > 0.05). In this study, the optimal loading height for utilization ratio of elastic energy was 0.75 m. The optimal loading height can be determined in terms of the elastic energy utilization ratio for each high jumper to enhance their training effects.
该研究的目的是阐明下落高度对下肢弹性能量利用的影响，指出弹性能量利用与个人最佳成绩之间的相关性，并确定男子跳高运动员弹性能量利用的最佳加载高度。十名属于跳高项目的男性运动员在不同下落高度（0.3米、0.45米、0.6米和0.75米）进行下落跳。使用两个AMTI测力平台采集下肢的动力学数据。下落高度对弹性能量利用率有显著影响（<0.01）。弹性能量利用率与个人最佳成绩无显著相关性（=0.149，>0.05）。在本研究中，弹性能量利用率的最佳加载高度为0.75米。可以根据每个跳高运动员的弹性能量利用率来确定最佳加载高度，以提高他们的训练效果。
