血液流量限制对训练时间的影响:在黄昏或黎明时段炼会增强反应吗?
L E Peskett1,2, A M Thomson1,2, B V Rioux1,2
1Cardiometabolic Exercise & Lifestyle Laboratory, University of New Brunswick, Fredericton, New Brunswick, Canada.
Physiological reports
|November 5, 2025
概括
六周的血流限制 (BFR) 训练改善了身体组成和性能. 运动时间并没有显著改变这些健康益处或影响虹素和PGC1-α4表达.
科学领域:
- 运动生理学 运动生理学
- 时间生物学 时间生物学
- 肌肉适应 肌肉适应
背景情况:
- 骨肌肉拥有内部时钟,影响训练适应性和健康益处.
- 运动时间对血流限制 (BFR) 训练结果的影响尚未得到充分证实.
- 了解最佳的炼时间可以提高BFR训练的有效性.
研究的目的:
- 研究一天中不同时间进行为期6周的BFR训练对身体组成,表现和特定分子标记物的影响.
- 为了确定早晨与下午的BFR训练是否会产生不同的健康结果.
- 根据时间来分析BFR培训的响应者和不响应者.
主要方法:
- 31名健康的年轻人 (19-30岁) 接受了为期6周的BFR抵抗训练.
- 参与者分为上午 (05:00-11:00) 和下午 (11:00-17:00) 的训练组.
- 主要结局包括身体组成的变化,肌肉强度,异动力学测量,以及虹膜素和PGC1-α4.4的表达.
主要成果:
- 在瘦肉量,相对瘦肉量,身体脂肪百分比和所有性能指标 (p < 0.001) 中观察到显著改善.
- 对于任何结果,早晨和下午训练组之间没有发现显著差异.
- 无论训练时间如何,虹膜素和PGC1-α4表达没有显著变化.
结论:
- 六周的BFR训练有效地提高了身体组成和性能指标.
- BFR训练的时间 (早上或下午) 似乎没有影响这些适应或分子反应.
- 进一步的研究可能会探索其他影响BFR培训结果的因素.
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