让它休息:贝叶斯元分析的系统综述,关于间隔休息间隔时间对肌肉缩的影响
Alec Singer1, Milo Wolf1, Leonardo Generoso1
1Department of Exercise Science and Recreation, Applied Muscle Development Lab, CUNY Lehman College, Bronx, NY, United States.
Frontiers in sports and active living
|August 29, 2024
概括
在两组之间休息更长时间可能会带来较小的肌肉生长益处,特别是持续时间超过60秒. 然而,在90秒的休息后,肌肉缩的差异似乎很小.
科学领域:
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
- 肌肉缩研究 肌肉缩研究
背景情况:
- 优化阻力训练方案对于最大限度地提高肌肉缩至关重要.
- 集间休息间隔的持续时间是一个可能影响训练结果的变量.
- 之前的研究已经产生了关于肌肉生长最佳休息期的不一致的发现.
研究的目的:
- 系统地审查和元分析随机对照试验,比较肌肉质量变化的不同间隔休息时间.
- 为了确定各种休息间隔长度对健康成年人瘦肉/肌肉质量的影响.
- 调查潜在的缓解因素,如训练到失败,在休息-缩关系.
主要方法:
- 对随机对照试验进行系统的文献搜索,比较跨组休息时间.
- 使用对非受控效应大小的等级模型进行贝叶斯元分析.
- 对受控效果大小的单变量和多变量双对元分析 (短时间休息与较长时间休息).
- 分析了9项研究中的19项测量结果,按身体部位 (大腿,手臂,全身) 分类.
主要成果:
- 在不同的休息期中,效应大小的实质性重叠,表明异质性.
- 中央估计有利于长时间的休息来促进手臂和大腿肌肉的生长 (手臂:0.13,大腿:0.17).
- 全身估计略有有利于更短的休息 (-0.08),结果接近于零.
- 训练到失败或不训练并没有显著改变休息-增高相互作用.
结论:
- 一个小的高性益处可能与超过60秒的集间休息时间有关,可能是由于体积负载.
- 在超过90秒的休息时间内,没有检测到肌肉缩的明显差异.
- 休息间隔时间对肌肉缩的影响似乎在90秒后平稳.
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