代谢和荷尔蒙反应急性高负荷阻力运动在normobaric缺氧使用和紧
Guole Jiang1,2, Shuang Qin3,4, Bing Yan5
1Sports Coaching College, Beijing Sport University, Beijing, China.
Frontiers in physiology
|September 17, 2024
概括
在严重缺氧下进行高负荷阻力运动可能会促进代谢和荷尔蒙反应. 然而,运动强度似乎是这些变化的主要驱动因素,超过了急性缺氧效应.
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
- 环境生理学环境生理学
背景情况:
- 诺莫巴的缺氧越来越多地研究其潜在的 ergogenic 影响.
- 了解代谢和荷尔蒙适应在低氧状态下进行炼对于优化训练方案至关重要.
研究的目的:
- 在不同程度的正常性缺氧下,研究对高负荷耐力运动的代谢和荷尔蒙反应.
- 为了比较中度缺氧 (MH) 和严重缺氧 (SH) 条件之间的这些反应.
主要方法:
- 十名训练有素的男性接受了三项对平衡交叉试验:normoxia (NM),MH (SpO2~90%),和SH (SpO2~80%).
- 练习包括5组10条条杆背,一次重复的70%最大,休息1分钟.
- 代谢 (血液乳酸) 和荷尔蒙 (生长激素,丸激素,上腺素,皮质醇) 标志物在运动前和运动后被测量.
主要成果:
- 血液乳酸和生长激素在所有条件下都在运动后增加. 在运动后30分钟,严重的缺氧 (SH) 与正常氧 (NM) 相比显示出更高的乳酸盐和生长激素.
- 丸激素在运动后增加,但与NM和MH相比,SH的水平较低. 上腺素在SH显著增加.
- 在MH和SH条件下,运动后皮质醇水平都升高.
结论:
- 严重的normobaric缺氧可能会增强对高负荷耐力运动的某些代谢和荷尔蒙反应,特别是运动后30分钟.
- 高负荷阻力运动对代谢和荷尔蒙标志物的整体影响似乎比缺氧本身的急性影响更为显著.
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