在高强度功能训练炼之前,急性多成分预训练补充剂后的代谢和感知力的反应
Gerald T Mangine1, W Wil King1, James W Henley1
1Exercise Science and Sport Management, Kennesaw State University, Kennesaw, GA, United States.
Frontiers in nutrition
|February 20, 2026
概括
多种成分的运动前补充剂 (MIPS) 在高强度功能训练 (HIFT) 后增加了四头肌的大小. 在补充剂和安慰剂组之间没有发现心率,能量消耗或代谢标记的差异.
科学领域:
- 运动生理学 运动生理学
- 运动营养 运动营养
- 人类表现的人类表现.
背景情况:
- 多种成分的运动前补充剂 (MIPS) 旨在提高运动表现.
- 高强度功能训练 (HIFT) 需要在时间限制下尽最大努力.
- MIPS对HIFT性能的影响需要进一步调查.
研究的目的:
- 评估MIPS在HIFT期间对生理和感知反应的急性影响.
- 根据HIFT协议,评估肌肉形态和代谢标记的变化.
主要方法:
- 一项随机,双盲,交叉研究,涉及22名具有HIFT经验的参与者.
- 测量包括心率,能量消耗和肌肉超声波 (大腿直骨和大腿侧骨CSA和回声强度).
- 参与者在服用MIPS或安慰剂后完成了5分钟和15分钟的HIFT"尽可能多的重复" (AMRAP) 电路.
主要成果:
- 在5分钟和15分钟的HIFT比赛中,MIPS补充剂导致直腿骨截面面积 (CSA) 增加得更大.
- 与MIPS一起,在15分钟的HIFT期间观察到大量横向CSA的显著增加.
- 在MIPS和安慰剂组之间没有发现心率,能量消耗或血液乳酸的显著差异.
结论:
- MIPS补充剂急剧增加四头骨CSA,表明流体转移,但在HIFT期间没有改变关键的代谢或心血管反应.
- 这些发现为以往使用相同MIPS配方和HIFT协议获得的性能数据提供了背景.
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