肌肉的氧化能力似乎不会影响健康成年人的NIRS-VOT结果
Jiwon Song1, Kase J Pennartz1, Jacob T Caldwell2
1Applied Physiology Laboratory, Department of Kinesiology, Health Promotion and Recreation, School of Health Sciences, College of Health and Public Service,, University of North Texas, 1921 Chestnut Street, Denton, TX, USA.
European journal of applied physiology
|December 4, 2025
概括
肌肉的氧化能力不会影响近红外光谱与血管阻塞测试 (NIRS-VOT) 的结果. 静止脱率不是成年人肌肉氧化能力的有效指标.
科学领域:
- 运动生理学 运动生理学
- 骨肌肉生理学 骨肌肉生理学
- 生物医学光学 生物医学光学
背景情况:
- 靠近红外光谱与血管封闭测试 (NIRS-VOT) 评估骨肌肉氧化 (StO2).
- 在受过培训和未受过培训的个人之间存在NIRS-VOT结果的差异.
- 肌肉氧化能力在这些差异中的作用尚不清楚.
研究的目的:
- 为了确定NIRS-VOT结果是否在具有高与低肌肉氧化能力的成年人之间有所不同.
- 调查脱率与肌肉氧气消耗 (mV̇O2) 恢复动力学之间的相关性.
主要方法:
- 25名成年人接受了最大氧气吸收 (V̇O2max) 和大侧肌氧化能力的评估.
- 进行了NIRS-VOT,测量了StO2下坡,上坡和最大StO2 (StO2max).
- 量化了肌肉氧化能力 (速率常数,k);参与者按高或低k值分组. 独立的t测试和贝叶斯分析比较了不同组之间的NIRS-VOT结果.
主要成果:
- 高肌肉氧化能力组表现出明显更大的肌肉氧化能力比较低的组.
- 对于NIRS-VOT下坡,上坡或StO2max,组之间没有发现显著差异.
- 在NIRS-VOT下坡和肌肉氧化能力 (k) 之间没有观察到显著的相关性.
结论:
- 肌肉的氧化能力似乎不是NIRS-VOT结果的主要决定因素.
- 在NIRS-VOT期间的休息脱率不太可能反映肌肉的氧化能力.
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