运动强度和恢复姿势对运动后低血压的互动影响
Xueer Lu1,2, Richie P Goulding3, Toby Mündel4
1College of Physical Education, Hubei Normal University, Huangshi, People's Republic of China.
概括
运动后低血压 (PEH) 在运动时超过临界功率,并在站立的位置恢复时更大. 仰卧恢复减轻了运动强度对降低血压的影响.
科学领域:
- 心血管生理学心血管生理学
- 运动科学 运动科学
背景情况:
- 运动后低血压 (PEH) 是运动后血压显著降低.
- 了解影响PEH的因素对于心血管健康和运动处方至关重要.
- 以前的研究已经独立地探索了运动强度和恢复姿势.
研究的目的:
- 研究运动强度和恢复姿势对运动后低血压的相互作用影响.
- 为了确定更高的运动强度或特定的恢复姿势是否增强PEH.
- 为了比较PEH大小在不同的运动强度 (高于临界功率和低于气交值) 和恢复姿势 (坐着,仰卧,站立) 中.
主要方法:
- 13名健康男性完成了最大氧气吸收测试,以确定临界功率 (CP) 和气体交换值 (GET).
- 参与者进行了详尽的常量负载运动试验,强度高于CP的10%,低于GET的10%.
- 运动后,在坐着,躺着和站着的姿势下进行了1小时的恢复,并持续监测血压.
主要成果:
- 持久的恢复始终导致在两个运动强度 (P <0.01) 上显著更高的PEH.
- 较高的运动强度 (高于CP) 导致静脉缩压,静脉缩压和平均动脉压在站立和坐着的姿势中降低得更大 (P<0.01).
- 运动强度对PEH的影响在仰卧恢复姿势中基本上被消除,没有观察到一致的显著减少.
结论:
- 运动后的低血压通过将更高的运动强度 (高于CP) 与站立的恢复姿势相结合而显著增强.
- 恢复姿势在调节PEH的大小方面发挥着关键作用,站立是最有效的.
- 仰卧恢复将运动强度对运动后血压降低的影响降到最低,这表明这种位置的心血管调节发生了变化.
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