超刺激对精神疲劳的受试者抵抗运动的影响
Luiz José Frota Solon-Júnior1,2,3, Dalton de Lima-Junior4, Bart Roelands5
1Associate Graduate Program of Physical Education, Federal University of Paraíba, João Pessoa, Brazil.
International journal of sports medicine
|November 13, 2025
概括
阳极横直流刺激 (tDCS) 提高了精神疲劳的个体的抵抗运动表现. 这种大脑刺激技术提高了重复,功率和速度,同时减少了肌肉激活和感知到的劳累.
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:
- 精神疲劳会损害身体的表现,特别是在抵抗运动中.
- 超直流刺激 (tDCS) 是一种非侵入性脑刺激技术,可以调节皮层刺激能力.
- 在主要运动皮层 (M1) 上的阳极tDCS已经显示出增强运动功能的潜力.
研究的目的:
- 调查阳极tDCS对主运动皮层 (M1) 对精神疲劳的个体抵抗运动表现的影响.
- 评估tDCS对关键性能参数,肌肉激活和抵抗训练期间感知力的影响.
主要方法:
- 一个随机的,双盲的交叉试验,涉及35名参与者.
- 用Stroop任务诱导精神疲劳.
- 参与者在三个条件下完成了一次抵抗训练:无氧tDCS,假tDCS和控制.
- 测量了表现 (重复,功率,速度),肌肉激活 (EMG) 和感知劳动力的评级.
主要成果:
- 与模拟和控制条件相比,阳极tDCS显著增加了最大的重复次数,平均输出功率和平均速度.
- 相对广横表面电力学活动和感知劳动的评分在无极tDCS.com下显著较低.
- 尽管参与者处于精神疲劳状态,但这些改善发生了.
结论:
- 在左侧M1上应用的阳极tDCS可以提高精神疲劳的个体的抵抗运动表现.
- 刺激似乎诱导了兴奋,从而改善了体力输出,减少了主观和客观的努力量.
- tDCS是一个有希望的非药物干预措施,以抵消与精神疲劳相关的性能下降.
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