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在2分钟的计时赛中,精英男性滑冰运动员的血液学参数和肌肉氧和度

Jadwiga Malczewska-Lenczowska¹, Andrzej Klusiewicz², Kinga Rębiś³

¹Department of Nutrition Physiology, Institute of Sport, National Research Institute, Warsaw, Poland. jadwiga.malczewska@insp.pl.

European journal of applied physiology

|October 9, 2025

概括

血液状况在骑自行车计时试验期间没有影响肌肉氧和. 然而,恢复期间的肌肉再氧化可能与特定的血液学参数有关,例如总血红蛋白质量.

科学领域:

体育科学运动科学运动科学
运动生理学运动生理学
生物医学工程生物医学工程

背景情况:

近红外光谱 (NIRS) 是一种评估肌肉氧化的非侵入性工具.
血液学指数与NIRS参数之间的关系尚未得到充分证实.
了解这些关系可以增强运动期间的生理监测.

研究的目的:

分析血液学指数和NIRS衍生参数 (肌肉氧和局部血红蛋白度) 之间的关系.
探索血液状况如何影响强度运动期间的肌肉氧化动力学.

主要方法:

19名男极速滑冰运动员参加了为期2分钟的骑自行车计时赛.
使用NIRS.测量肌肉氧和度 (SmO2) 和局部血红蛋白度 (tHb_muscle).
血液学参数包括总血红蛋白质量 (tHb_mass),血体积 (PV),血液体积 (BV) 和红细胞体积 (RCV) 通过CO再呼吸和全血计数来评估.

主要成果:

基线SmO2与血液学参数无关.
tHb_muscle显示了与RCV,BV和PV的正相关性.
血液学变量,特别是tHb_mass,BV和PV,解释了时间试验下降阶段的SmO2变化.
恢复期间的肌肉再氧化与PV,BV和tHb_mass.负相关.

结论:

血液状况在计时试验期间没有显著影响静止SmO2或其动力学.
运动后的肌肉复氧化动态可能与使用CO再呼吸方法测量的血液学参数有关.
需要进一步的研究来阐明血液学和运动期间肌肉氧化之间的复杂相互作用.

关键词:

血清计数指数血清计数指数骑自行车的时间试验.血管内体积指数是指血管内体积指数.靠近红外光谱学衍生肌肉氧和度的近红外光谱学.快速滑冰运动的速度滑冰.大侧面肌肉 (Vastus lateralis) 肌肉是一个巨大的肌肉.tHb质量质量

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