超最大间歇训练与高强度间歇训练对身体活跃的成年人心脏自我调节反应的影响
Myong-Won Seo1, Sukho Lee2, Hyun Chul Jung3,4
1Department of Sports and Leisure Studies, College of Physical Education, Keimyung University, Daegu, Republic of Korea.
超最大间歇训练 (SMIT) 显著影响自主神经系统,远远超过高强度间歇训练 (HIIT). 与HIIT相比,SMIT显示了心脏自我调节的更大调节.
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
- 自主神经系统的自主神经系统
背景情况:
- 了解不同间歇训练强度对心脏自我调节的影响对于优化运动方案至关重要.
- 超最大间歇训练 (SMIT) 和高强度间歇训练 (HIIT) 代表不同的运动强度,具有潜在的不同的生理效应.
研究的目的:
- 为了比较SMIT和HIIT对心脏自我调节的影响,特别是心率变化 (HRV) 和血管功能.
- 研究自主神经系统对SMIT的急性反应与身体活跃的年轻成年人中的HIIT.
主要方法:
- 一个随机的交叉对抗平衡设计被使用在12名身体活跃的年轻成年人.
- 参与者接受了SMIT (全力以赴强度) 和HIIT (115-130%Wmax) 会议,每次持续20分钟.
- 通过基线和运动后多个时间点的HRV和血管功能测量来评估心脏自调.
主要成果:
- 与HIIT相比,SMIT引发了显著更高的工作量,高峰心率和感知到的劳动力.
- HIIT导致运动后60分钟的R-R间隔,NN50和PNN50值更高,表明了更大的副交感反应激活.
- SMIT导致了 ln LF/HF比率的立即显著增加和ba-PWV的长期下降,这表明比HIIT更明显的交感激活和血管度改变.
结论:
- 与HIIT相比,SMIT在运动后的急性阶段是自主神经系统的更强大的调节器.
- 需要进一步的研究,才能充分了解在不同间隔训练强度后的完整恢复动态和心脏自我调节.
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