耐力训练对虚弱的中国老年人身体功能的剂量反应影响:一项随机对照试验
Xiaoxing Lai1, Hongwei Zhu1, Zhao Wu1
1Department of Health Care, Peking Union Medical College Hospital, Beijing, China.
Journal of cachexia, sarcopenia and muscle
|October 24, 2023
概括
抵抗训练可以改善肌肉强度和身体健康的脆弱的老年人. 运动强度和体量都取决于剂量,高强度和高体量训练对肌肉力量和功能测试具有显著的益处.
科学领域:
- 老年学和运动科学
- 肌肉骨健康在衰老中的作用
- 康复和物理治疗治疗.
背景情况:
- 运动对于脆弱老年人的健康衰老至关重要.
- 在这个人群中,运动强度/体积和健康结果之间的确切关系尚未完全理解.
- 调查剂量反应效应对于优化运动处方至关重要.
研究的目的:
- 检查阻力训练 (强度和体积) 与脆弱老年人的结果之间的剂量反应关系.
- 为了确定不同阻力训练参数对肌肉力量和身体健康的影响.
主要方法:
- 一项随机对照试验涉及161名脆弱的老年人.
- 参与者被分配到七个组,在12周内进行各种强度 (低,中等,高) 和体积 (中等,高) 的抵抗训练.
- 结果包括肌肉强度 (人体工程力测量仪) 和身体健康 (6分钟的步行测试,30秒的坐立测试,8英尺的上升测试).
主要成果:
- 运动量与下肢肌肉强度,30sSTST和6MWT有线性关联,与8-FUGT有非线性关联.
- 训练强度与下肢肌肉力量和6MWT有线性关系,与30sSTST和8-FUGT有非线性关系.
- 在不同的干预期内观察到肌肉强度,6MWT和30sSTST的显著改善.
结论:
- 抵抗训练以剂量依赖的方式对脆弱的老年人肌肉力量和身体健康产生积极影响.
- 高强度和高体积的阻力训练似乎是增强肌肉力量和功能表现的最有效方法.
- 较低强度和较低体积的选择可能在安全性,有效性和接受性方面为这一群体提供优势.
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