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人类测量,推力和阻力对冲击动力学和年轻游泳者的100米表现的影响,使用路径分析建模

Jorge E Morais^1,2, Tiago M Barbosa^1,2, Natalia A Gomeñuka³

¹Department of Sport Sciences, Instituto Politécnico de Bragança, Bragança, Portugal.

Scandinavian journal of medicine & science in sports

|February 23, 2024

概括

这项研究揭示了人体测量,动力学和动力学因素如何相互作用,从而预测年轻运动员100米自由泳表现. 了解这些关系可以显著提高培训策略,以获得更好的结果.

科学领域:

体育科学运动科学运动科学
生物力学生物力学
人类运动分析人类运动分析

背景情况:

青少年游泳者在100米自由泳中的表现受到身体属性和运动力学之间的复杂相互作用的影响.
了解这些决定因素对于优化培训和竞争结果至关重要.

研究的目的:

研究人体测量,运动和动力学变量与青少年游泳者的100米自由泳表现之间的预测关系.
开发和验证一个模型,说明这些相互依存关系.

主要方法:

25名青少年游泳者 (15名男性,10名女性) 参加了比赛.
测量的变量包括手表面积 (HSA),推力,活动阻力系数 (C_DA),冲程长度 (SL),冲程频率 (SF) 和游泳速度.
通过路径分析使用结构方程建模 (SEM) 来分析数据.

主要成果:

最初的SEM模型准确地预测了90.1%的100米自由式表现.
经过改进后,最终的模型以90.2%的准确度预测了性能,所有路径都是统计学上显著的 (p < 0.05).
人类测量因素显著影响了动力变量,这反过来又显著影响了动力变量,最终影响了性能.

结论:

人类测量,动力学和动力学变量之间存在一连串的相互作用,提供了对100米自由式表现的可靠预测.
教练和游泳运动员可以利用这种相互联系的预测因素的理解来完善训练并改善游泳结果.

关键词:

生物力学生物力学确定性模型的确定性模型.建模建模是什么意思业绩表现表现的表现表现是什么在游泳中游泳.

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