运动期间血中乳酸积累与脂肪代谢的关联:方法问题
Isaac Armando Chavez-Guevara1, Carlo Ferri-Marini2, Ratko Peric3
1Faculty of Sports, Universidad Autonoma de Baja California - Campus Ensenada, Ensenada, Mexico.
International journal of sports medicine
|March 20, 2025
概括
测量运动中乳酸值和脂肪氧化率的不同方法影响了它们之间的关系. 第一个乳酸值和第二个固定4mM的日志日志转换显示,与脂肪氧化指标的相关性最强.
科学领域:
- 运动生理学 运动生理学
- 代谢研究研究 代谢研究
- 运动科学 运动科学 运动科学
背景情况:
- 了解运动期间乳酸代谢和脂肪氧化之间的相互作用对于优化训练和表现至关重要.
- 为了确定乳酸值和脂肪氧化率,存在各种分析方法,但它们对观察到的关系的影响尚未完全阐明.
研究的目的:
- 调查不同的分析程序如何评估乳酸值和脂肪氧化率对年轻男性的影响.
- 确定最可靠的方法来测量这些生理参数在不同的健身和身体构成水平.
主要方法:
- 54名年轻男子接受了运动测试,使用日志日志转换 (LT1log-log),基线增加 (LT1Bsln1.0) 和固定2mM (LT1OBLA2) 来确定第一个乳酸值 (LT1).
- 第二个乳酸值 (LT2) 通过最大距离 (LT2Dmax) 和固定4mM (LT2OBLA4) 进行评估.
- 使用多项式回归 (P3),视觉检查和数学建模 (SIN) 确定最高 (FATmax) 和最低 (FATmin) 的脂肪氧化率.
主要成果:
- LT1log-log和LT2OBLA4显示出与FATmax和FATmin的最强的相关性,无论个体的健康水平如何.
- 在未受过训练的个人中,FATmaxP3和LT1OBLA2显示出良好的一致性,而在训练过的和肥胖的男性中,FATmaxP3和LT1log-log是最一致的.
- LT2OBLA4与FATmin达成最好的协议.
结论:
- 分析方法的选择显著影响了运动期间乳酸代谢和脂肪氧化之间的关系.
- 建议使用LT1log-log和LT2OBLA4来评估乳酸和脂肪氧化之间的关联,而FATmax的方法选择取决于健康状况.
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