热水浸泡:保持核心体温高于38.5°C可以减轻肌肉疲劳
Benoît Sautillet1, Nicolas Bourdillon2, Grégoire P Millet2
1Faculty of Sport Sciences, APERE Laboratory, UR 3300, University of Picardie Jules Verne, Amiens, France.
Scandinavian journal of medicine & science in sports
|September 25, 2023
概括
在41°C的热水浸泡 (HWI) 通过增加核心体温和减轻肌肉功能的下降,有效地增强肌肉恢复. 这种热剂量改善了运动后诱导肌肉损伤 (EIMD) 的恢复标记.
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
- 肌肉恢复 肌肉恢复
背景情况:
- 热水浸泡 (HWI) 越来越多地用于肌肉恢复,但最佳的热剂量仍然不清楚.
- 关于在HWI恢复期间对不同热系的生理反应的数据有限.
研究的目的:
- 为了比较两个外源热系 (40°C与41°CHWI) 对核心体温,血液动力学和肌肉恢复标记物的影响.
- 为了确定运动诱导肌肉损伤 (EIMD) 后促进肌肉恢复的最佳热剂量.
主要方法:
- 28名身体活跃的男性接受了EIMD,其次是HWI (40°C或41°C) 或温水浸泡 (36°C).
- 测量了核心体温 (Tgi),血液动力学反应 (CO,MAP,SVR),额前皮层脱氧血球蛋白 (HHb),呼吸频率和肌肉功能 (Tpeak,RFD100-200).
- 测量是在EIMD前进行的,在EIMD后的24小时和48小时进行的.
主要成果:
- 与40°C (HWI40) 的HWI相比,41°C (HWI41) 的HWI显著增加了核心体温 (Tgi).
- HWI41增加了HHb和呼吸频率,表明生理上的压力更大.
- 只有HWI41减轻了EIMD后24小时的后期力量发展速度 (RFD100-200) 和48小时的最大同心峰扭矩 (Tpeak) 的下降.
结论:
- 在HWI期间大约25分钟保持核心体温在38.5°C-39°C之间是有效的肌肉恢复.
- 41°C HWI 协议似乎是最佳的,可以增强肌肉恢复标记,同时最大限度地减少过度的生理热应变.
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