在短距离最大游泳表现中对无氧亚力克能量的评估
Jesús J Ruiz-Navarro1,2, Ana Gay1,2, Raúl Arellano1,2
1Aquatics Lab., Department of Physical Education and Sports, Faculty of Sport Sciences, University of Granada, Granada, Spain.
International journal of sports medicine
|June 7, 2025
概括
测量游泳者的无氧性乳酸能量消耗的两种方法没有显著差异,但一致性很差. 这些方法应该是互补的,而不是可以互换的,以便完全了解短时间游泳中的能源使用情况.
科学领域:
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
- 生物物理学的生物物理.
背景情况:
- 精确测量无氧性亚力学 (AnAL) 能量消耗对于了解游泳者高强度运动表现至关重要.
- 现有两种主要方法:一种是基于脂蛋白 (PCr) 分解,另一种是基于氧气吸收 (VO2) 的非动力学.
研究的目的:
- 在精英短距离游泳者中,在PCr分裂和VO2离动力学方法之间比较50米前爬泳期间的AnAL能量消耗.
- 评估这两种AnAL测量技术的一致性和可重复性.
主要方法:
- 39场50米前方爬行时间试验由训练有素的游泳者 (23名男性,16名女性) 进行.
- 肺VO2非动力学是在运动后10分钟过量氧气消耗期间测量的.
- 通过使用AnALPCrSPLITTING和AnALVO2KINETICS的方法计算AnAL.
主要成果:
- 在AnALPCrSPLITTING (41.7±6.1 kJ) 和AnALVO2KINETICS (37.6±12.7 kJ) 之间没有发现统计学上显著的差异.
- 布兰德-阿尔特曼分析显示了大量的偏见和广泛的一致性,表明重复性差到中等 (ICC:0.34-0.53).
- 观察到比例错误,这表明协议因能源支出测量的大小而有所不同.
结论:
- 虽然这两种方法都提供了AnAL能源支出的总体估计,但它们的概念和方法差异导致了比例错误.
- 在短时间的最大努力中,如50米游泳,AnALPCrSPLITTING和AnALVO2KINETICS方法不应互换使用.
- 建议在可行的情况下使用这两种方法,以更全面地了解精英游泳者的ANAL能量消耗.
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