三倍和五倍水平跳跃表现的视频变量
Anthony P Sharp1, Jonathon Neville1, Shelley N Diewald1
1Sports Performance Research Institute New Zealand, Auckland University of Technology, Auckland, New Zealand.
Journal of sport rehabilitation
|July 28, 2024
概括
一个平板电脑和免费软件可靠地测量横向跳跃的时间事件. 这种可访问的方法有助于体育专业人员在运动员监测和回归比赛决策中.
科学领域:
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
- 绩效分析 绩效分析
背景情况:
- 水平跳跃评估运动员的负载承受能力,是监测和伤害管理的关键.
- 时间变量 (飞行,接触,总时间) 提供有价值的诊断数据.
- 蜂分析的黄金标准工具昂贵且技术要求高.
研究的目的:
- 评估使用平板电脑和免费软件在水平跳跃中分析时间事件的可靠性.
- 为了确定跳跃时间测量的测量器之间,测量器内和测试-重新测试的可变性.
- 为传统的,资源密集的评估方法建立一个可访问的替代方案.
主要方法:
- 一项可靠性研究涉及9名健康的男性运动员在3个会话中进行三倍和五倍的水平跳跃.
- 六位评分员评估了视频录制的时间事件,以确定评分员之间的变化.
- 一位评级人员评估了会内和测试-重新测试的变化,分析了飞行时间,地面接触时间和总跳跃系列时间.
主要成果:
- 在所有蜂类型 (ICC = .85-1.00) 中发现了优异的分级间一致性.
- 绝对和相对一致度指标显示出出色的可靠性 (CV ≤ 2.0%,ICC = .98-1.00).
- 试验-重复试验的可变性显示了可接受的绝对一致性 (CV ≤ 8.7%) 和 10/16 个变量的良好至优秀可靠性 (ICC = .81-.93).
结论:
- 一个平板电脑和免费的数字化软件在水平跳跃期间提供可靠的时间事件检测.
- 这种可访问的方法对功率诊断和回归游戏评估有重大影响.
- 康复和性能专业人员可以自信地使用这种设备来跟踪跳跃性能.
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