神经肌肉电刺激可以增强冲刺间隔训练的效果吗?
Ryosuke Takeda1, Hiroya Nojima1, Taichi Nishikawa2
1Laboratory of Neuromuscular Biomechanics, Chukyo University - Toyota Campus, Toyota, Japan.
International journal of sports medicine
|January 29, 2024
概括
在冲刺间隔训练期间与骑自行车一起进行的神经肌肉电刺激增强了血液中乳酸的积累,但与单独自愿骑自行车相比,它没有改变冲刺运动的表现或疲劳水平.
科学领域:
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
- 神经肌肉电气刺激
背景情况:
- 冲刺间隔训练 (SIT) 是改善运动表现的有效方法.
- 了解SIT内部对不同训练模式的生理反应对于优化训练协议至关重要.
- 神经肌肉电刺激 (NMES) 用于增强肌肉激活,并可能改变训练适应性.
研究的目的:
- 为了研究下NMES与自愿骑自行车相结合对冲刺运动表现的影响.
- 评估NMES在SIT期间对血液乳酸积累的影响.
- 为了比较这些效应与氧气消耗相匹配的自愿循环.
主要方法:
- 15名健康的男性完成了两个Wingate测试,分别进行了4分钟的干预.
- 干预条件包括自由重量循环或单独自愿循环的NMES.
- 测量了血液中的乳酸盐度和Wingate测试性能指标 (峰值功率,平均功率,疲劳指数).
主要成果:
- 在康复期间,NMES与自行车相结合的血液中乳酸度明显高于单独自愿骑自行车.
- 两种条件之间在峰值功率,平均功率或疲劳指数方面没有发现显著差异.
- 在Wingate测试中,NMES没有改变运动性能或疲劳水平.
结论:
- 在SIT期间与自愿骑自行车相结合的Subtetanic NMES不会改善冲刺运动的表现或减少疲劳.
- 这种结合的方法导致血液中乳糖积累较大,与匹配的自愿循环相比.
- 在SIT期间,NMES可以调节代谢反应,而不会影响功率输出或疲劳.
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