运动-呼吸器合在节奏等比手握练习期间改善耐力表现
Zhibin Li1, Wei Li1, Ping-Ju Lin1
1Lab of Intelligent and Bio-mimetic Machinery, Department of Mechanical Engineering, Tsinghua University, Beijing, CHINA.
Medicine and science in sports and exercise
|October 26, 2023
概括
与握手运动同步呼吸,特别是灵感与运动的合,显著提高了耐力. 这种呼吸运动协调似乎减少了能量需求,改善了运动表现,而不会增加肌肉疲劳.
科学领域:
- 运动生理学 运动生理学
- 发动机控制器的控制器
- 呼吸系统生理学 呼吸系统生理学
背景情况:
- 运动-呼吸合,即呼吸与四肢运动的同步,是一种已知的现象.
- 它对节奏等比运动中的耐力表现的具体影响需要进一步研究.
研究的目的:
- 为了确定运动-呼吸器合是否会影响节奏等比手握练习中的耐力.
- 探索底层机制,如果增强合可以提高性能.
主要方法:
- 十一名受试者在三个条件下进行了节奏等比手握练习,以致疲:没有呼吸约束,吸入-运动合 (IMC) 和呼气-运动合.
- 通过最大自愿收缩 (MVC) 和EMG的变化来评估神经肌肉疲劳.
- 另一个由10名受试者组成的组在各种呼吸条件下进行电刺激,以评估力输出.
主要成果:
- 与过期-电机合 (0.82 ± 0.18) 和对照 (0.91 ± 0.18) 相比,IMC (1.27 ± 0.23) 的炼时间显著更长.
- 在不同条件下,MVC,握力频率,力或EMG指数之间没有发现显著差异,表明类似的外围疲劳.
- 在电刺激过程中,指伸展力在快速吸气过程中高于正常呼吸和快速呼气.
结论:
- 灵感-运动合有效地提高了在节奏等比手握练习中的耐力.
- 这种改善可能源于发动机控制的能源消耗减少,并得到了持续的外围疲劳水平的支持.
- 呼吸似乎调节皮质脊髓刺激能力,有助于提高表现.
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