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量化运动强度与心率波动的分数相关性质:关于增量和恒定速度跑步的研究

C R van Rassel¹, O O Ajayi¹, K M Sales¹

¹Faculty of Kinesiology, University of Calgary, Calgary, AB, T2N 1N4, Canada.

European journal of applied physiology

|September 5, 2024

概括

对心跳的抑制波动分析 (DFAα1) 可以确定运动强度. 持续炼期间的DFAα1值与增量测试不同,建议在应用固定训练强度值时谨慎行事.

科学领域:

运动生理学运动生理学
心血管健康呼吸系统健康
非线性动力学是一种非线性动力学.

背景情况:

应用于节拍间隔的间隔波动分析 (DFAα1) 的短期缩放指数显示了识别通风门的潜力.
DFAα1可能表明在长时间炼期间存在系统性干扰,为生理应变提供了洞察力.
从增量运动中确定的DFAα1值 (GET为0.75,RCP为0.5) 是拟议的值.

研究的目的:

在增量炼过程中,使用DFAα1值为0.75和0.5的值来识别气交换值 (GET) 和呼吸补偿点 (RCP).
为了比较DFAα1在增量运动中发现的DFAα1值与DFAα1在接近最大乳酸稳定状态 (MLSS) 的常速运行期间的DFAα1测量.
评估MLSS试验之间的DFAα1测量的可重复性.

主要方法:

十二名跑步者通过DFAα1.1完成了增量跑步测试,以通过DFAα1.1确定GET和RCP.
参与者还进行了5%低于,在和5%高于MLSS的恒定速度运行试验,包括重复MLSS试验.
在所有炼条件下,DFAα1从节拍间隔计算出来.

主要成果:

在MLSS附近30分钟以恒定速度运行时,DFAα1反应是可变的 (0.27-1.24) 并受到强度 (p=0.031) 和持续时间 (p=0.003) 的影响.
在重复的MLSS试验 (p=0.597) 之间没有发现DFAα1的显著差异.
在MLSS持续炼的早期,DFAα1 (0.71±0.13) 比RCP (0.57±0.13;p=0.024) 的DFAα1高. 在18分钟后,DFAα1 (0.64±0.14) 仍然高于0.5 (p=0.011).

结论:

从增量测试中应用固定DFAα1值来指导恒定速度训练可能会导致意想不到的高运动强度.
随着运动强度和持续时间的变化,DFAα1的变化凸显了其在持续运动期间量化系统性扰动的潜力.
DFAα1对监测生理反应有前途,但在不同的运动环境中需要仔细解释.

关键词:

确定波动分析的分析.运动强度运动强度运动表现运动表现运动训练是运动训练.心率变化心率的变化.非线性分析是一种非线性分析.

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