高强度鼓舞性肌肉热身对高强度运动表现和肌肉氧化的影响
Jun Koizumi1, Toshiyuki Ohya1,2
1Graduate School of Health and Sport Science, Chukyo University, Aichi, Japan.
International journal of sports physiology and performance
|January 12, 2024
概括
高强度的启发性肌肉热身 (IMW) 通过增加肌肉的氧气供应和减少感知到的炼来提高运动表现. 这种方法可以改善健康个体的整体运动能力.
科学领域:
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
- 呼吸道肌肉训练 呼吸道肌肉训练
背景情况:
- 众所周知,启发性肌肉热身 (IMW) 可以改善启发性肌肉功能.
- 之前关于高强度IMW和运动表现的研究已经产生了不一致的结果.
- 了解高强度IMW背后的生理机制对于优化其应用至关重要.
研究的目的:
- 为了研究高强度IMW对高强度运动表现的影响.
- 评估高强度IMW在运动期间对肌肉氧化的影响.
- 为了确定高强度的IMW是否会影响感知劳动力 (RPE) 的评级.
主要方法:
- 十名健康的男性在最大氧气吸收 (V ̇O2max) 时进行了常量负荷循环人体力计运动,直到筋疲力尽.
- 参与者在两个条件下完成了炼:安慰剂IMW (PLA) 和高强度IMW (HIGH),分别使用15%和80%的最大吸气压力的负载.
- 测量包括最大吸气压,通过近红外光谱学测量广的横向肌肉氧血球,以及腿部RPE.
主要成果:
- 与PLA相比,在HIGH条件下,运动耐受性显著改善 (228s与218s相比,P = .003).
- 高强度的IMW显著增加了最大吸入压力 (125至136厘米H2O,P = .031).
- 在80%的运动时间 (P = .048),肌肉氧血球水平在HIGH条件下显著上升,并且在2分钟后腿部RPE较低 (P = .019).
结论:
- 高强度的IMW似乎可以增强活跃肌肉的氧气供应,正如增加氧血球蛋白所表明的那样.
- 观察到的腿部RPE的减少表明提高了高强度IMW的效率或耐受性.
- 这些发现表明,高强度IMW可能是改善运动表现的可行策略.
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