摘要

(1)研究目的:陕西省运动员冯杰在2017年的第十三届全运会上,采用了旋转式推铅球技术获得了铜牌,之前他采用的是背向滑步推铅球。通过对冯杰采用两种技术的对比,以期对冯杰系统化地训练进行切实可行的数据参考;(2)研究方法:采用文献资料法、录像解析法和数理统计法对本文进行对比分析;(3)研究结果:①采用旋转式的左膝角速度、右髋角速度和右肩角速度皆没有呈递增或递减的规律,右髋关节的没有做积极的转动;肩关节积极打开;重心高度相对平稳,无太大波动;两脚距离、出手速度、角度和高度的平均值都比采用背向滑步技术的数值大;②采用背向滑步的左膝角速度和右髋角速度在开始时刻呈递增趋势,右肩角速度随着成绩的提高呈明显地递减趋势;肩关节没有积极打开,没有良好地伸展动作;重心高度、速度和铅球速度都比旋转的数值大;(4)研究结论:①旋转式推铅球球速小于滑步式,但能更有效的增加铅球的速度;②背向滑步式获得好成绩是通过加长最后用力动作的直线距离来实现的;旋转式则是依靠身体转动形成良好的身体扭转状态来实现的;③旋转式铅球出手速度、角度和高度都优于滑步式;④背向滑步式推铅球成绩相对稳定,更加易于掌握,动作简单易于操作,难度系数相对较小。

  • 单位
    贵州健康职业学院
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