在缺氧的耐力运动中SPO2的个体间变化与内分泌和血管生长因子反应无关
Hisashi Mori1,2, Hyejung Hwang2,3, Kazushige Goto2
1School of Human Science and Environment, University of Hyogo, Himeji, Hyogo, Japan.
Physiological reports
|February 10, 2025
概括
动脉氧和 (SpO2) 的个体间变化在缺氧期间没有影响运动诱导的内分泌和血管生长因子反应. 这项研究发现SPO2水平与生长激素,皮质醇或VEGF的变化之间没有相关性.
科学领域:
- 运动生理学 运动生理学
- 内分泌学 在内分泌学.
- 缺氧研究 缺氧研究
背景情况:
- 运动期间的缺氧可以引起显著的生理反应.
- 在低氧条件下,动脉氧和度 (SpO2) 的个体间变化是常见的.
- 这种SpO2变异对运动诱导的荷尔蒙和生长因子释放的影响尚不清楚.
研究的目的:
- 研究SPO2的变化与运动诱导的内分泌 (生长激素,皮质醇) 和血管生成因子 (VEGF) 反应之间的关系.
- 为了确定SPO2的个体差异是否会影响低氧期耐力运动的生理适应.
主要方法:
- 十六名健康男性在正常氧和缺氧 (FiO2=14.5%) 条件下以65%的VO2max进行了60分钟的骑自行车.
- 血清中生长激素 (GH),皮质醇和血管内皮生长因子 (VEGF) 的度在运动前,运动后立即测量,并在运动后60分钟测量.
- 在运动期间持续监测SpO2和心率.
主要成果:
- 在低氧 (77.5%-88.2%) 期间观察到SPO2的显著个体间变化.
- 在SPO2变化 (绝对或相对的诺摩西亚) 和运动诱导的GH,皮质醇或VEGF变化之间没有发现显著的相关性.
- 个体SPO2水平并不能预测内分泌或血管生长因子对低氧运动反应的程度.
结论:
- 动脉氧和的个体间差异似乎没有调节运动诱导的急性内分泌和血管生长因子对耐力运动的反应.
- 该研究表明,在低氧条件下,其他生理因素可能在调解这些反应中发挥更重要的作用.
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