在恒定负荷运动中,EEG-代谢合和时间限制在V ̇O2max
Luc Poinsard1, Christian Berthomier2, Michel Clémençon3,4
1Laboratoire Mouvement, Equilibre, Performance et Santé (EA 4445), Université de Pau et des Pays de l'Adour, 65000 Tarbes, France.
Journal of functional morphology and kinesiology
|October 24, 2025
概括
通过脑电图 (EEG) 测量的大脑活动会影响耐力表现. 特定的大脑波模式 (,α,β) 与强度炼期间的疲劳调节和呼吸控制相关.
科学领域:
- 神经科学是一个神经科学.
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
背景情况:
- 在最大氧吸收 (V ̇O2max) 的运动持续时间受代谢因素和大脑通风相互作用的影响.
- 皮质活动 (EEG) 及其与常量负载循环过程中的性能和疲劳调节的关系需要检查.
研究的目的:
- 为了研究电脑电图 (EEG) 振荡活动与高强度运动期间的耐力能力之间的关联.
- 为了探索大脑动态,呼吸调节和在骑自行车测试中急性疲劳之间的关系.
主要方法:
- 30名训练有素的参与者完成了在90%的最大有氧功率下持续负荷循环测试,直到疲.
- 记录了连续的脑电图 (EEG) 和气体交换测量.
- 感知劳动力的评级是在运动后收集的.
主要成果:
- 贝塔功率与V ̇O2max所花费的时间负相关,表明神经应变.
- 脑电图代谢比率 (例如,Alpha/V ̇O2,Theta/V ̇CO2) 与达到V ̇O2max的时间,在V ̇O2max度过的时间,以及耗尽的时间有显著的相关性.
- 当Theta和Alpha频段与代谢负荷正常化时,与呼吸系统协调和运动控制有关.
结论:
- 皮层振荡与运动期间急性疲劳调节的不同方面有关.
- 脑电图代谢比率可以作为高强度运动期间大脑代谢相互作用的指标.
- 研究结果表明,有潜力引导大脑与身体的相互作用,以提高耐力表现.
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