年轻成年人高强度间歇训练后心率变化和血管功能中的性别差异
Myong-Won Seo1, Tae-Young Park2, HyunChul Jung3,4
1Department of Exercise Science, David B. Falk College of Sport and Human Dynamics, Syracuse University, Syracuse, NY, USA.
Journal of human kinetics
|February 21, 2024
概括
高强度间歇训练 (HIIT) 对男性和女性自主神经系统的影响不同. 虽然血管功能在HIIT后没有性别差异,但男性的心率变化恢复速度更快.
科学领域:
- 运动生理学 运动生理学
- 心血管监管 监管心血管系统
- 运动中的性别差异 科学 运动中的性别差异
背景情况:
- 高强度间歇训练 (HIIT) 是男性和女性的一种优秀的训练策略.
- 了解心脏自我调节的性别差异对于优化HIIT协议至关重要.
- 以前的研究还没有完全阐明自主和血管对急性HIIT反应的基于性别的变化.
研究的目的:
- 在年轻成年人进行一次HIIT后,调查心率变化 (HRV) 和血管功能中的性别差异.
- 为了比较HIIT后男性和女性之间心脏自主调节的恢复动力学.
- 为了确定在HIIT后自主神经系统活动和血管参数中潜在的性别特异性适应.
主要方法:
- 24名身体活跃的年轻人 (12名男性,12名女性) 参与了这项研究.
- 参与者完成了10次HIIT间隔 (20秒高强度自行车在115-130%Wmax,随后是100秒的恢复).
- 心脏自调节 (HRV参数如R-R间隔,rMSSD,SDNN,LF,HF,LF/HF) 和血管功能 (血压,脚脉冲波速) 在五个时间点进行测量.
主要成果:
- 与HIIT后15分钟的女性相比,男性的R-R间隔,rMSSD和SDNN的恢复速度更快.
- 与男性相比,女性在HIIT后立即和15分钟表现出更大的交感 (LF) 和副交感 (HF) 活动,以及更高的交感动脉平衡 (LF/HF).
- 在HIIT后的血压或手足关节脉冲波速方面没有观察到任何显著的性别差异.
结论:
- 经过急性HIIT后,与男性相比,女性表现出更明显的心率变化的激活.
- 虽然自主神经系统对HIIT的反应显示出性别特异性差异,但急性血管功能反应在性别之间没有差异.
- 未来的研究应该探索在重复HIIT干预后心脏自我调节的性别特异性适应.
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