口水对耐力和力量表现的核心影响
Shi Han Tan1, Teng Keen Khong1, Victor S Selvanayagam1
1Faculty of Sports and Exercise Science, University of Malaya, 50603, Kuala Lumpur, Malaysia.
European journal of applied physiology
|December 1, 2023
概括
碳水化合物口可以通过刺激口腔受体来改善运动表现和减少疲劳. 然而,中枢神经系统的
科学领域:
- 运动生理学 运动生理学
- 神经科学是一个神经科学.
- 运动科学 运动科学 运动科学
背景情况:
- 碳水化合物 (CHO) 口水 (MR) 增强运动表现,减少神经肌肉疲劳.
- 假设这种效应涉及口腔受体刺激,激活与奖励,动机和运动控制相关的大脑区域,从而增加皮质运动反应能力.
- 虽然提出了中央机制,但对MR对耐力表现的影响的证据是不确定的,并且需要考虑外围因素.
研究的目的:
- 批判性地评估神经生理学证据的中心机制调解碳水化合物口水冲洗的 ergogenic 效果.
- 评估MR对耐力和力量相关运动表现的影响.
- 确定当前研究中关于MR的核心贡献的局限性和偏见.
主要方法:
- 对研究MR对运动表现和神经生理学参数的影响进行系统审查和元分析.
- 分析神经肌肉功能的中心 (例如,运动唤起的潜能,自愿激活) 和外围测量.
- 考虑运动类型 (耐力与力量),运动量,参与者状态 (禁食) 和冲洗频率.
主要成果:
- MR已经显示出提高耐力和力量表现以及减轻神经肌肉疲劳的潜力.
- 观察到的运动唤起潜能 (MEP) 和电肌图 (EMG) 的变化表明,在以力量为基础的活动中,皮质脊髓反应能力增加.
- 然而,强有力的中央贡献的证据被不一致的神经生理学测量,缺乏数据规范化,潜在的外围影响和高测量变化,特别是自愿激活的证据削弱了.
结论:
- 碳水化合物口可以提高运动表现,并通过可能涉及中央通路的机制减少疲劳.
- 目前支持一个重要的中央贡献的神经生理学证据是有限的,需要更强大的调查.
- 需要改进方法,包括标准化数据规范化和对外围因素的考虑,以澄清MR的人体效应背后的确切机制.
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