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验证肌肉氧化动力学以预测有氧健身和运动过渡值

Heru Syarli Lesmana^1,2, Ben Schroeder¹, Kyohei Marume³

¹Department of Sport Science, University of Innsbruck, Innsbruck, Austria.

Experimental physiology

|August 22, 2025

概括

在缺血期间和之后,近红外光谱 (NIRS) 测量肌肉复氧化动力与最大氧吸收 (VO2max) 和运动强度值相关. 虽然这些NIRS参数提供了空气健身的广泛估计,但它们的预测准确性目前有限.

科学领域:

运动生理学
生物医学工程
运动科学

背景情况:

氧气最大摄取量 (VO2max) 是有氧能力的一个关键指标.
接近红外光谱 (NIRS) 不侵入性地测量肌肉氧化.
运动期间和运动后的NIRS动力学可能反映生理反应.

研究的目的:

通过NIRS验证预测VO2max的现有方程.
评估肢体缺血和稳定状态运动 (SSE) 后的NIRS恢复动力,以监测VO2max和运动强度值.

主要方法:

十七名健康成年人接受肢体缺血 (3分钟,300毫米) 测量闭塞斜率,复氧化 (Rep 10s),基线 (Rbl),峰值 (Rpeak) 和AUC2min.
参与者在100W (SSE1) 和150W (SSE2) 的稳定状态下进行循环运动,以评估肌肉复氧化动力学.
增量最大循环确定VO2max,通风门 (VT1,VT2) 和总效率 (GE).

主要成果:

NIRS参数 (Rep 10s,Rbl,Rpeak,AUC2min,闭塞斜率) 与绝对VO2max有显著的相关性.
后SSE1Rbl与绝对和相对VO2max以及VT1相关.
后SSE2Rbl与绝对和相对VO2max,VT2和GE2相关.
预测方程对VO2max产生了适度的典型误差 (例如,遮蔽斜率为393毫升分钟-1).

结论:

在缺血和SSE期间或之后的NIRS运动概况与VO2max和运动强度值有关.
目前基于NIRS的VO2max方程的预测有效性有限,仅提供空气适应性的广泛估计.

关键词:

有氧适应性近红外光谱学反应性高血压运动后的恢复

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