在男性成年人的4分钟渐进增量循环试验中,心率变化衍生和乳酸/呼吸值之间的一致性
Olieslagers Anton1,2, Müller-Jabusch Yoram1, Vancoillie Margot1
1Faculty of Movement and Rehabilitation Sciences, KU Leuven, Leuven, Belgium.
Physiological reports
|February 17, 2026
概括
心率变化指数 (HRV) DFAa1值 (HRVT1,HRVT2) 与乳酸 (LT) 和呼吸道 (VT) 值进行了比较. HRVT2显示了对运动强度的良好一致性,但HRVT1在确定有氧值方面不可靠.
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
- 心血管研究研究心血管研究
背景情况:
- 准确的运动强度处方对于优化耐力训练至关重要.
- 心率变量 (HRV) 分析,特别是DFAa1指数,已成为确定运动强度值的潜在非侵入性方法.
- 已确定的值包括有氧值 (LT1/VT1) 和无氧值 (LT2/VT2).
研究的目的:
- 评估新的心率可变性值 (HRVT1和HRVT2) 与传统的血液乳酸 (LT) 和通风器 (VT) 值之间的一致性.
- 评估DFAa1衍生的值 (HRVT1和HRVT2) 作为训练有素骑自行车者的LT和VT替代品的有效性.
- 为了比较心率 (HR),输出功率 (PO) 和氧气吸收 (V̇O) 的协议.
主要方法:
- 21名受过训练的参与者接受了为期4分钟的循环自行车测试.
- 收集了连续HR和气体交换数据,以及毛细血管血液乳酸测量后阶段.
- 使用类内相关系数 (ICC) 和ANOVA分析了协议,将HRVT1/HRVT2与LT1/VT1和LT2/VT2.2进行比较.
主要成果:
- HRVT1与LT1/VT1相比,即使采用了个性化方法,也显示出不良的一致性和实质性的偏差.
- HRVT2在PO和V̇O2方面与LT2/VT2表现出更强大的协议,尽管协议的范围很大.
- 在VT2,LT2和HRVT2之间发现了显著的HR差异,表明了一些差异.
结论:
- 在4分钟的逐步协议中,HRVT2显示出作为LT2/VT2的替代品的潜在有效性.
- HRVT1缺乏足够的可靠性来确定LT1/VT1,限制其用于有氧值处方.
- 进一步的研究可能会完善基于HRV的方法,以准确地确定运动强度值.
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