运动干预对心率变化的剂量效应,适应了3680米高的年轻男性低地动物的心率变化
Rui Su1,2, Ping Peng1, Wenrui Zhang1
1Key Laboratory of High Altitudes Brain Science and Environmental Acclimation, Tibet University, Lhasa, China.
Frontiers in physiology
|April 12, 2024
概括
高强度有氧运动改善了心率变化 (HRV) 和自主神经系统 (ANS) 在适应高海拔的低地人中的功能. 适度和高强度运动也降低了血压.
科学领域:
- 运动生理学 运动生理学
- 高度医学 高度医学
- 自主神经系统研究 自主神经系统研究
背景情况:
- 高海拔环境可以减少低地人的心率变化 (HRV).
- 适应高海拔可能无法完全恢复自主神经系统 (ANS) 功能.
- 研究运动干预措施对于改善高海拔地区人口的健康至关重要.
研究的目的:
- 为了确定不同强度的有氧运动对HRV在高海拔的适应性低地地区的影响.
- 评估运动对自主神经系统 (ANS) 状态和血压的影响.
- 为了确定运动强度对生理标志物的潜在剂量依赖影响.
主要方法:
- 97名年轻,健康的低地男性在3680米处被随机分为低,中等或高强度有氧运动组,或对照组.
- 运动干预持续了4周.
- 测量了心率,HRV参数 (RR间隔,Poincaré图表指数) 和缩血压 (SBP).
主要成果:
- 高强度运动显著降低了心率和增加了HRV指数 (SDNN,SD2,NN50/总NN).
- 适度强度的运动显著增加了NN间隔的三角学插值.
- 高强度运动后SBP的下降与HRV (SD2) 的增加相关.
结论:
- 有氧运动强度对适应低地人的HRV有剂量依赖的影响.
- 中度和高强度运动在高海拔地区积极调节自主神经系统 (ANS).
- 运动干预措施,特别是中度至高强度的运动,可以降低该人口的血压.
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