在接受药物治疗的高血压男性中,后动态,同度和联合阻力运动反应
Laura Oliveira-Silva1, Rafael Yokoyama Fecchio1, Natan Daniel da Silva Junior1
1Exercise Hemodynamic Laboratory, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
动态阻力运动 (DRE) 有效地降低了运动后的血压,与等比手握运动 (IHE) 不同. 将DRE与IHE结合起来不会增强这些降血压效果,也不会改变潜在的机制.
科学领域:
- 运动生理学 运动生理学
- 心血管健康 心血管健康
- 高血压管理 高血压管理
背景情况:
- 运动后低血压 (PEH) 是运动后显著的生理反应.
- 了解不同运动方式对PEH的具体影响对于治疗应用至关重要.
- 接受药物治疗的高血压男性是研究运动干预措施的关键人群.
研究的目的:
- 为了比较动态阻力练习 (DRE),同度握手练习 (IHE) 和联合阻力练习 (CRE) 对PEH的影响.
- 调查这些运动类型引起的PEH背后的血液动力学,自主和血管机制.
- 为了确定DRE和IHE的结合是否增强PEH或改变其机制.
主要方法:
- 70名接受药物治疗的高血压男性 (52±8岁) 被随机分为DRE,IHE,CRE或对照 (CON) 组.
- 干预包括DRE (3组,8次练习,50%1RM),IHE (4组,2分钟,30%MVC) 和CRE (DRE+IHE).这些干预包括DRE (3组,8次练习,50%1RM),IHE (4组,2分钟,30%MVC) 和CRE (DRE+IHE).
- 血压,全身血动力学,自主调节和手臂血管参数在干预前和后被评估.
主要成果:
- 与运动前值相比,DRE和CRE显著降低了缩和平均血压,增加了血管导电能力,降低了巴罗反射灵敏度.
- IHE在任何测量变量中都没有引起显著变化.
- CRE的影响与DRE相似,与CON和IHE显著不同.
结论:
- 动态阻力运动,但不是同度握手运动,在接受药物治疗的高血压男性中引起运动后低血压.
- 在DRE之后的PEH与骨肌肉血管扩张和降低巴罗反射灵敏度有关.
- 将同度握手运动与动态阻力运动相结合,不会增强PEH或改变其相关机制.
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