在长时间以恒定速度跑步时,心率变化对运动处方的相关性属性:随机交叉试验
Thomas Gronwald1,2, Leonie Horn3, Marcelle Schaffarczyk1
1Institute of Interdisciplinary Exercise Science and Sports Medicine, MSH Medical School Hamburg, Hamburg, Germany.
European journal of sport science
|September 20, 2024
概括
阻断波动分析 (DFAa1) 的非线性指数alpha1可以帮助规定的运动强度在运行. 然而,由于潜在的超载风险,建议在重度至重度的运动领域保持谨慎.
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
- 非线性动力学是一种非线性动力学.
背景情况:
- 准确的运动强度处方对于训练优化和耐力运动员的伤害预防至关重要.
- 传统的方法,如通风门,可能无法完全捕捉长时间炼期间的生理反应.
- 心率变化 (HRV) 的确定波动分析 (DFA) 提供了一个非线性方法来评估生理复杂性.
研究的目的:
- 调查DFA (DFAa1) 的非线性指数alpha1的有效性,用于长时间跑步时的运动强度.
- 将DFAa1衍生的跑步速度与通风门 (VT1,VT2) 进行比较,并评估生理反应.
- 评估基于DFAa1的运动处方在不同强度领域的可靠性和潜在风险.
主要方法:
- 21名训练有素的耐力运动员接受了坡道测试,以确定VT1和VT2以及基于DFAa1的速度 (vDFAa1-1,vDFAa1-2).
- 参与者在vDFAa1-1和vDFAa1-2完成了两次20分钟的跑步,并持续监测HR,VO2,RF,DFAa1和[La-].
- 分析了数据,比较了DFAa1衍生强度之间的生理反应,以及完成者和疲劳组之间的生理反应.
主要成果:
- 对于大多数参与者来说,基于DFAa1的速度 (vDFAa1-1,vDFAa1-2) 与VT1和VT2非常接近.
- 在完成者组中,在20-vDFAa1-1和20-vDFAa1-2之间观察到HR,VO2,RF,DFAa1和[La-]的显著差异.
- 在20-vDFAa1-2期间发生了RF和DFAa1的实质性变化,特别是在疲劳组,表明生理应变.
结论:
- 对于大多数运动员来说,基于DFAa1的运动处方似乎适用于中度至重强度的跑步.
- 在使用DFAa1.1时,在重度至重度运动领域可能存在生理过载的风险增加.
- 需要进一步的研究来评估强大的DFAa1在运动处方中的耐用性和脱效应.
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