在患有膝关节关节炎的老年人中,对同心和偏心运动的急性和慢性心血管反应
Heather K Vincent1, Sharareh Sharififar2, Christian McLaren2
1Department of Physical Medicine and Rehabilitation, College of Medicine, University of Florida, UF Orthopaedics and Sports Medicine Institute, PO Box 112730, Gainesville, FL, 32611, USA. hkvincent@ufl.edu.
在膝关节骨关节炎患者中,集中阻力训练 (RT) 削弱了高血压反应,以炼超过古怪的RT. 集中式RT可以管理OA并减少心血管压力.
科学领域:
- 运动生理学 运动生理学
- 心血管健康的心血管健康
- 骨关节炎管理 骨关节炎管理
背景情况:
- 抵抗训练 (RT) 可能为患有骨关节炎 (OA) 和心血管疾病 (CVD) 风险的人提供超越力量的好处.
- 在RT中肌肉收缩的类型可能会影响这些益处,特别是运动期间的血液动力学反应.
研究的目的:
- 为了比较异常与集中阻力训练 (RT) 对血液动力学反应对急性步行运动压力的影响.
- 为了在四个月的时间内评估膝关节OA患者的这些影响.
主要方法:
- 一项随机对照试验的二次分析,涉及88名膝关节OA参与者.
- 参与者被随机分配到同心RT,偏心RT或非RT对照组.
- 血液动力学反应 (心率,血压,MAP) 在六分钟步行测试和四个月前后的渐进式跑步机测试中被测量.
主要成果:
- 两组RT都改善了腿部力量,但在6MWT距离或跑步机测试时间之间没有发现显著差异.
- 与对照组相比,集中式RT,但不是异常式RT,在分级跑步机测试期间导致缩血压和平均动脉压显著降低.
- 在任何组中都没有观察到抗高血压药物使用的变化.
结论:
- 与古怪的RT相比,集中式RT在患有膝盖OA的个体中表现出更强的能力,以减轻急性运动的高血压反应.
- 集中式RT可以为OA管理提供强度益处,并可能在这个人群中减少运动期间的心血管压力.
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