雨和风的适度凉爽环境增加了冷应变和通过碳水化合物氧化在跑步运动期间的能量消耗
1School of Informatics, Department of Integrated Informatics, Sports and Information Course, Daido University, Nagoya, Japan - ryoito@daido-it.ac.jp.
The Journal of sports medicine and physical fitness
|September 3, 2024
概括
在寒冷,雨天和大风的条件下跑步会增加生理上的压力. 这项研究发现,伴随风雨的降雨显著降低体温,增加氧气吸收,并提高感知力度,可能会影响运动表现.
科学领域:
- 环境生理学环境生理学
- 运动科学 运动科学
- 运动医学 运动医学
背景情况:
- 在凉爽,潮湿和风的天气下,户外炼是很常见的.
- 对于运动员和户外爱好者来说,了解对这些条件的生理反应至关重要.
研究的目的:
- 为了检查在低温下进行运动时模拟雨和风的生理影响.
- 评估这些环境因素如何影响温度调节,能源消耗和感知力度.
主要方法:
- 十一名健康的男子在跑步机上以70%的最大氧气吸收率 (V·O2max) 跑了60分钟.
- 练习是在气候室内在两个条件下进行的:雨与风 (RW) 和控制 (CON) 在10°C.
- 测量了包括体温,氧气吸收和血液标记在内的生理变量.
主要成果:
- 与对照组相比,雨与风显著降低了直肠和皮肤温度和热感.
- 在RW条件下,氧气吸收 (V·O2max) 较高,感知劳力的评分也较高.
- 增加的呼吸交换比率,血乳酸和北上腺素水平表明更高的代谢和应激反应.
结论:
- 雨和风加剧热量损失,导致能量消耗增加和碳水化合物氧化,因为身体试图保持核心温度.
- 这些生理变化表明,恶劣的天气条件可能会对耐力运动的表现产生负面影响.
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