低剂量的咖啡因可以增强疲的泰拳道运动员的认知处理,但不能提高身体表现:一个随机交叉试验
Alisa Nana1, Papatsorn Ramyarangsi1, Luksika Jamwai1
1Mahidol University, College of Sports Science and Technology, Nakhonpathom, Thailand.
Journal of the International Society of Sports Nutrition
|June 29, 2025
概括
咖啡因 (200毫克) 降低了脑波疲劳标记,并改善了泰拳道运动员的认知处理. 然而,它没有提高疲劳诱导后的身体表现或生理标记.
科学领域:
- 运动科学 运动科学 运动科学
- 神经科学是一个神经科学.
- 人类表现的人类表现.
背景情况:
- 咖啡因被广泛用于提高认知和身体表现.
- 它对神经生理反应和疲劳后的运动特异性表现的影响尚不清楚,特别是在战斗运动中.
- 这项研究研究了咖啡因对泰拳道运动员疲劳后的影响.
研究的目的:
- 研究200毫克咖啡因剂量对神经生理学标记和泰拳道特异性表现的影响.
- 评估电脑电图 (EEG) 活动的变化,听觉P300事件相关潜力 (ERP) 和生理参数.
- 为了确定咖啡因在精神和身体疲劳后对表现的影响.
主要方法:
- 一项随机,双盲,交叉研究,涉及13名男子泰拳道运动员.
- 咖啡因 (200毫克) 和安慰剂条件被管理.
- 测量包括生理参数,EEG,P300 ERP和泰拳特异敏捷性测试 (TSAT) 在基线,补充后和疲劳后的诱导.
主要成果:
- 咖啡因降低了三角洲波的功率,表明皮层昏昏欲睡的减少,但这种效应在疲劳后没有持续.
- 咖啡因增加了P300振幅,这表明认知处理得到了增强,而延迟保持不变.
- 在咖啡因和安慰剂组之间,在生理参数,反应时间,精度或TSAT性能方面没有发现显著差异.
结论:
- 一次200毫克的咖啡因剂量似乎可以减少中枢疲劳,并增强泰拳道运动员的认知处理.
- 咖啡因没有显著影响生理反应或运动特定的身体表现.
- 研究结果表明,咖啡因对战斗运动的主要益处可能是认知而不是身体,这需要进一步研究剂量和个体反应.
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