有氧运动是否会增加女性和男性成年人的骨肌肉质量?
Robert Ross, Emily John1, Chris McGlory1
1School of Kinesiology and Health Studies, Queen's University, Kingston, ON, CANADA.
Medicine and science in sports and exercise
|January 8, 2024
概括
通过散步进行有氧运动可以保持骨肌肉质量 (SMM),但不会增加成人肌肉质量. 这种炼会影响炼的肌肉,而不炼的肌肉可能无法维持.
科学领域:
- 运动生理学 运动生理学
- 身体组成分析 身体成分分析
- 肥胖问题研究研究
背景情况:
- 有氧运动,特别是步行对超重和肥胖的成年人骨肌肉质量 (SMM) 的影响尚不清楚.
- 对于公共卫生指导方针来说,调查步行运动是否可以保持或增加总和区域SMM至关重要.
研究的目的:
- 评估有氧运动,主要是步行,对超重和肥胖的成年男性和女性的总和区域性SMM的影响.
- 为了区分对身体上部和腿部的冲击SMM.
主要方法:
- 来自四项随机对照试验的数据的回顾性分析,涉及238名成年人 (105名男性,133名女性).
- 磁共振成像 (MRI) 用于测量SMM和脂肪组织干预前后.
- 参与者进行了12-24周的监督步行炼,在V·O2峰值的50-75%下进行.
主要成果:
- 有氧运动显著减少脂肪组织,改善心肺呼吸能力.
- 与对照组相比,在行走运动中观察到全身和上肢SMM的小幅减少.
- 两组之间没有发现腿部SMM变化的显著差异;SMM变化与饮食中的蛋白质摄入量无关.
结论:
- 有氧运动,如步行,似乎可以在积极参与的肌肉中保持SMM,但不会导致增加.
- 运动未直接针对的区域的骨肌肉质量在干预期间可能无法维持.
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