在寒冷环境中重复炼后一周内,丸激素和皮质醇的增加
Jana Jaklová Dytrtová1, Michal Jakl1, Radim Jebavý2
1Faculty of Physical Education and Sport, Sport Sciences-Biomedical Department, Charles University, Prague, Czechia.
Frontiers in physiology
|January 29, 2026
概括
五天在寒冷的天气中炼并没有显示出即时的生理效应. 然而,运动员在7天后经历了延迟的适应性变化,包括增加类激素如和皮质醇.
科学领域:
- 运动生理学 运动生理学
- 环境生理学环境生理学
- 内分泌学 在内分泌学.
背景情况:
- 暴露于寒冷的研究往往侧重于运动后的效应.
- 对于运动员来说,了解寒冷运动对生理反应的理解至关重要.
- 在寒冷环境训练后,对延迟的荷尔蒙和身体成分变化存在有限的数据.
研究的目的:
- 研究逐渐增加寒冷暴露和体育炼对男性运动员类固醇水平,身体组成和生化标志物的影响.
- 评估5天寒冷环境训练期后的即时和延迟的生理反应.
- 在暴露于寒冷和恢复后分析激素,炎症标志物和抗氧化活性的变化.
主要方法:
- 健康的男性运动员 (n=12) 在2°C-3°C的室外体育训练中进行了5天的体育训练,强度增加.
- 血液样本和生物电阻测量在5天实验前,5天实验后和7天恢复后进行.
- 分析包括的循环水平,皮质醇,安德罗二,脱乙硫酸,17-基孕,二醇,介质素-6,C反应蛋白和红细胞超氧化物失调酶活性.
主要成果:
- 在恢复7天后,观察到血总 (56%) 和皮质醇 (54%) 的显著延迟增加,而运动后没有立即变化.
- 生物电阻分析显示,实验后腰部与部的比率下降,在7天后恢复正常.
- 没有发现Interleukin-6,C-反应蛋白或红细胞超氧化物脱酶水平的显著变化.
结论:
- 在寒冷的环境中5天的运动期会导致延迟的适应性生理变化.
- 类固醇激素的显著增加,包括和皮质醇,发生在暴露后7天.
- 丸激素/皮质醇比保持不变,表明对寒冷环境训练的荷尔蒙反应平衡.
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