动脉硬性和波反射反应在重负和中等负载耐力训练协议之后
Eleftherios Karanasios1, Scott Hannah1, Helen Ryan-Stewart2
1School of Sport, Health and Community, Faculty of Health & Wellbeing, University of Winchester, Winchester, UK.
Journal of clinical hypertension (Greenwich, Conn.)
|April 10, 2025
概括
在健康成年人中,中等负荷耐力训练 (RT) 具有更多的重复,比高负荷RT显著增加了动脉硬度. 较低的负载和更高的重复次数会增加心血管工作负载.
科学领域:
- 心血管生理学心血管生理学
- 运动科学 运动科学
- 生物医学工程 生物医学工程
背景情况:
- 动脉硬度和波浪反射是心血管健康的关键指标.
- 抵抗训练 (RT) 的强度可能会对急性心血管反应产生不同的影响.
- 了解这些影响对于优化炼处方至关重要.
研究的目的:
- 为了比较中等负荷 (ML) 与高负荷 (HL) RT对动脉硬性和波反射的急性影响.
- 研究不同强度的力量训练对心血管血液动力学的影响.
主要方法:
- 11名健康成年人接受了两个随机的RT会议:ML (12RM) 和HL (4RM).
- 两次训练都包括死式举重和长椅压力,并有标准化的休息时间.
- 脉冲波速度 (PWV) 和脉冲波分析 (PWA) 在运动前后进行测量.
主要成果:
- 与HLRT相比,MLRT显著增加了动脉-关节PWV.
- 提升指数正常化至75bpm也显示在ML RT后增加更大.
- 这些发现表明,ML RT具有更明显的急性心血管应激.
结论:
- 使用较低负载和更高重复次数 (ML) 的急性抵抗训练会比较高负载和更低重复次数 (HL) 诱导更大的动脉硬和波反射.
- 这表明,中等负荷的抵抗训练对动脉和心血管系统施加了更大的急性工作负荷.
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