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通过统计参数映射识别年龄组游泳者的游泳速度波动的差异:表现发展的生物力学评估
Jorge E Morais1,2, Daniel A Marinho2,3, Stephen Cobley4
1Department of Sport Sciences, Instituto Politécnico de Bragança, Bragança, Portugal.
Journal of sports science & medicine
|June 9, 2023
概括
将游泳速度作为连续变量进行评估,可以比离散分析更深入地了解冲动周期. 这两种方法都为教练提供了互补的数据,以更好地了解年轻游泳者的表现.
科学领域:
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
- 儿科的绩效分析.
背景情况:
- 了解年轻游泳者的生物力学效率对于性能发展至关重要.
- 传统的游泳速度分析通常将其视为一个离散的变量,可能会忽视性能上的细微差别.
研究的目的:
- 在年轻游泳者中,将游泳速度作为离散变量与连续变量处理时的评估进行比较.
- 评估不同分析方法在理解性别和绩效层级差异方面的有效性.
主要方法:
- 对120名年轻游泳运动员 (60名男生,60名女生) 的分析,分为三个绩效级别.
- 游泳速度被评估为离散变量和连续变量 (游泳速度时间曲线).
- 统计分析对两种评估方法的性别效应,层级效应及其相互作用进行了研究.
主要成果:
- 离散的游泳速度分析揭示了性别,层次及其相互作用的显著影响.
- 对游泳速度时间曲线的持续分析显示,在整个中风周期中,性别和层次都有显著的影响.
- 对速度波动进行谨慎分析时,显示了显著的层级效应,但没有性别效应.
结论:
- 游泳速度的离散和连续分析都为年轻游泳者的表现提供了有价值的,互补的见解.
- 持续分析,特别是使用游泳功率模型 (SPM),可以更深入地了解中风周期动态.
- 教练和从业人员应该利用这两种方法来获得关于游泳者的冲击力学和表现的全面知识.
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