脑下神经肌肉电刺激对冲刺间隔运动的影响
Ryosuke Takeda1, Hiroya Nojima1, Taichi Nishikawa2
1Laboratory of Neuromuscular Biomechanics, School of Health and Sport Sciences, Chukyo University - Toyota Campus, Toyota, Japan.
International journal of sports medicine
|November 20, 2024
概括
在积极恢复期间的神经肌肉电刺激 (NMES) 增加了血液乳酸和自愿疲劳,但与单独骑自行车相比,它没有改善冲刺表现或减少肌肉疲劳.
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
- 神经肌肉生理学 神经肌肉生理学
背景情况:
- 冲刺间隔训练 (SIT) 是对生理适应的强有力的刺激.
- 积极的恢复策略被用来增强高强度运动期间的恢复.
- 神经肌肉电刺激 (NMES) 用于引起肌肉收缩,并可能增加训练效果.
研究的目的:
- 为了研究子性NMES与血液乳酸,冲刺表现和肌肉疲劳的活性恢复相结合的急性影响.
- 为了比较活跃恢复期间NMES和没有NMES的SIT的生理反应.
主要方法:
- 十六名健康的年轻人进行了SIT,包括四次15秒的冲刺和5分钟的积极骑自行车恢复.
- 参与者接受了两个条件:自愿骑自行车 (VOL) 和自愿骑自行车与NMES (VOLES).
- 测量包括血中乳酸盐度,平均冲刺功率和膝盖伸缩器的最大自愿收缩 (MVC).
主要成果:
- 与VOL相比,在VOLES条件下,血液中乳酸盐度明显高于VOL (P=0.037).
- 平均冲刺功率在条件之间没有显著差异 (P>0.050).
- 在VOLES中,SIT后的MVC显着较低,表明自愿性疲劳更大 (P<0.001).
结论:
- 在活跃恢复期间,Subtetanic NMES增强了血液中乳糖的积累和自愿疲劳.
- 与积极恢复相结合的NMES与单独自愿骑自行车相比,不会改善冲刺表现或减少外围肌肉疲劳.
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