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对于患有多发性硬化症的男性来说,头冷却在不可预测的任务中对运动性能产生更大的影响,而不是在恒定和可预测的任务中:一个随机交叉研究
Gintare Dauksaite1, Nerijus Eimantas1, Rima Solianik1
1Institute of Sport Science and Innovations, Lithuanian Sports University, Kaunas, Lithuania.
Multiple sclerosis and related disorders
|May 18, 2025
概括
在患有多发性硬化症 (MS) 的男性中,头冷却与不可预测的运动任务相结合,减少了中心疲劳,但增加了周围疲劳. 这一策略改善了肌肉激活和感知到的劳动力.
科学领域:
- 神经学 神经学
- 运动生理学 运动生理学
- 热生理学 热生理学
背景情况:
- 多发性硬化症 (MS) 是一种影响运动功能的神经退行性疾病.
- 了解MS中影响疲劳的因素对于康复至关重要.
- 运动任务变化和热干预是潜在的疲劳调节器.
研究的目的:
- 研究不同类型的运动任务 (持续,可预测,不可预测) 和头冷却对MS患者中枢和外围疲劳性的影响.
- 评估对生理热应激和运动系统功能的影响.
主要方法:
- 18名男性多发性硬化志愿者被分为头部和部冷却 (COLD) 和控制 (CON) 组.
- 参与者在恒定,可预测和不可预测的收缩强度下进行间歇性同度膝盖延伸任务.
- 在1小时的恢复期之前,期间和之后,测量了疲劳性,生理热应激和运动功能.
主要成果:
- 头部和部冷却显著降低了中心疲劳,并改善了所有运动任务的感知劳动.
- 冷却和不可预测的电机任务的结合导致了更大的中央和外围电机性能变化.
- 在这两组中,可预测和不可预测的任务比持续的任务带来了更多的外围疲劳.
结论:
- 通过不可预测的运动任务来冷却头部,可以增强中心肌肉的激活,降低中心肌肉疲劳,并改善MS患者的感知力度.
- 这种综合方法还增加了外围疲劳性,与恒定或可预测的任务相比,减少了力和增加了运动错误.
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