力量训练可以提高慢性心力衰竭患者的功能能力:随机临床试验
Wallace Machado Magalhães de Souza1, Marcelo Carvalho Vieira2, Pablo Marino Correa Nascimento3
1Research Group in Cardiorespiratory Evaluation and Rehabilitation, Faculty of Physiotherapy, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil; Center for Cardiology and Exercise, Aloysio de Castro State Institute of Cardiology, Rio de Janeiro, RJ, Brazil; School of Physical Education and Sports, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
力量训练显著改善了慢性心力衰竭 (CHF) 患者的功能能力和肌肉力量. 虽然有氧训练也提高了力量,但只有力量训练提高了氧气吸收的峰值,这表明它对身体功能的影响更大.
科学领域:
- 心脏病学 心脏病学
- 运动生理学 运动生理学
- 康复医学 康复医学 康复医学
背景情况:
- 慢性心力衰竭 (CHF) 显著影响患者的生活质量,导致呼吸障碍和运动不耐受.
- 身体炼是控制心血管疾病症状和改善患者治疗结果的关键组成部分.
研究的目的:
- 为了比较24周的有氧训练与力量训练对CHF患者的功能能力,肌肉力量和生活质量的影响.
- 为了确定训练模式的顺序 (有氧第一或力量第一) 是否会影响结果.
主要方法:
- 13名心血管衰竭患者 (平均年龄55岁,LVEF38.8%) 被随机分为两组:有氧训练组 (ATG) 和力量训练组 (STG).
- 参与者接受了24周的训练,评估包括运动测试 (V'O2peak),一次重复最大 (1-RM) 的肌肉力量,以及明尼苏达州生活与心力衰竭问卷 (MLHFQ) 的生活质量,进行了干预前后.
主要成果:
- 力量训练组 (STG) 的峰值氧气消耗 (V'O2peak) 显著增加,与有氧训练组 (ATG) 不同.
- 无论是ATG还是STG,都显示肌肉强度 (1-RM) 的显著改善.
- 两种培训策略都没有显著改善MLHFQ测量的生活质量.
结论:
- 早期实施力量训练有效提高慢性心力衰竭患者的功能能力和肌肉力量.
- 力量训练似乎比有氧训练更有利于改善心肺呼吸能力 (V'O2peak) 在这个人群中.
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