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修改505测试的关键性能指标的可靠性和有效性
Aleksandar Živković1, Srdjan Marković1, Ivan Cuk2
1Faculty of Physical Education and Sports Management, Singidunum University, 11000 Belgrade, Serbia.
Life (Basel, Switzerland)
|February 26, 2025
概括
这项研究验证了对运动表现的修改505方向变化 (CoD) 测试,显示可靠的冲刺和CoD时间. 修改后的测试为运动员提供了更精确,更有效的评估.
科学领域:
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
- 运动生理学 运动生理学
背景情况:
- 评估运动表现需要可靠和有效的指标.
- 传统的方向变化 (CoD) 测试可能在反映现实世界的敏捷性方面存在局限性.
- 优化绩效评估协议对于运动员的发展至关重要.
研究的目的:
- 为了确定修改后的505 CoD测试的可靠性和有效性.
- 评估关键性能指标,包括冲刺时间,CoD时间,总时间和四肢对称指数 (LSI).
- 评估纳入反应时间对测试有效性和可靠性的影响.
主要方法:
- 27名身体活跃的男性执行了标准和修改的冲刺和COD协议.
- 测量的主要指标:冲刺时间,CoD时间,总时间和LSI.
- 统计分析包括可靠性的类内相关系数 (ICC) 和变量系数 (CV),以及有效性的相关系数 (r).
主要成果:
- 修改后的协议显示了良好的可靠性 (ICC>0.8) 和高有效性 (r = 0.58-0.80) 冲刺和Cod时间.
- 总时间指标显示出出色的可靠性 (ICC > 0.9).
- 包括反应时间改善了生态有效性,但增加了可变性 (CV > 7%);LSI显示可靠性较低 (ICC < 0.6).
结论:
- 修改后的505 CoD测试是评估体育表现指标的可靠和有效工具.
- 使用多维敏捷度指标进行简化评估,提高精度并减少疲劳.
- 需要进一步的研究来完善LSI措施,并探索在不同运动群体中更广泛的应用.
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