在炎热的环境中进行运动前冷却对纯种马的表现和生理反应的影响
Hajime Ohmura1, Yusaku Ebisuda1, Yuji Takahashi1
1Sports Science Division, Equine Research Institute, Japan Racing Association, Tochigi 329-0412, Japan.
Journal of equine science
|March 21, 2025
概括
运动前的冷却淋浴显著减少了马在热的条件下进行艰苦运动后的体重减轻和体温升高. 这种冷却方法并没有对运动表现或其他生理标志物产生负面影响.
科学领域:
- 马类生理学 马类生理学
- 运动科学运动科学
- 动物体内的温度调节
背景情况:
- 运动热病是马在运动期间在炎热的环境中面临的风险.
- 研究了运动前的干预措施,以减轻热应激并保持表现.
研究的目的:
- 为了研究运动前冷却对纯种马在热环境中艰苦运动期间生理反应和表现的影响.
- 为了确定预冷是否会影响体重减轻,体温,心率和血乳酸度.
主要方法:
- 六匹训练有素的纯血统马经过三次预处理:步行 (WALK),休息 (REST) 和一个冷却淋浴 (SHOWER).
- 然后,马匹在炎热的环境中 (WBGT 32-33°C) 进行了标准化的热身和跑步机运动测试,以致于疲劳.
- 测量包括体重减轻,肺动脉温度,心率,血乳酸和疲劳时间.
主要成果:
- 与步行和休息相比,运动前冷却 (淋浴) 显著减少了体重减轻.
- 与SHOWER和REST相比,在WALK预治疗后,肺动脉温度更高.
- 在治疗过程中,心率,血乳酸或耗尽的时间之间没有发现显著差异.
结论:
- 通过淋浴进行运动前的冷却有效地减轻了体重减轻,并减少了马在热中运动后核心体温的增加.
- 在这些条件下,冷却干预似乎不会影响马匹的运动表现.
- 预冷是一种可行的策略,用于管理运动马的热应激.
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