通过血液流量限制训练增强下肢和核心肌肉活化:一项随机交叉研究,对高强度俯卧练习进行了随机交叉研究
Sunyoumeng Zhuan1, Yutong Zhu2, Jingyi Zhou3,4
1Linyi Vocational College of Science and Technology, Linyi, Shandong, China.
Frontiers in physiology
|August 20, 2024
概括
血液流量限制 (BFR) 训练在深 squats 期间增强下肢肌肉激活. 持续的低BFR改善了巨大的肌肉活动,而间歇性高BFR促进了勃起器脊柱的激活,尽管在这种情况下RPE是最低的.
科学领域:
- 运动生理学 运动生理学
- 体育科学 运动科学 运动科学
- 生物机械工程 生物机械工程
背景情况:
- 血流限制 (BFR) 训练是一种提高肌肉适应性的新方法.
- 了解不同BFR模式对肌肉激活的特定影响对于优化训练方案至关重要.
研究的目的:
- 为了研究各种血液流量限制 (BFR) 模式在高强度深训练期间对下肢和核心肌肉激活的影响.
主要方法:
- 一个随机的,自我控制的交叉研究,涉及12名参与者.
- 在四个条件下,在1RM的75%下进行式训练:连续的低BFR,间歇的中等BFR,间歇的高BFR和控制.
- 使用表面电肌图 (EMG) 来测量肌肉激活率 (%MVC).
主要成果:
- 与对照组相比,所有BFR模式都显著增加了前大腿肌的激活.
- 间歇性高BFR显示出勃起器脊柱激活的最大增加.
- 两组之间没有观察到直肠腹部激活的显著差异.
结论:
- 血液流量限制 (BFR) 有效地提高坐期间下肢肌肉的激活.
- 连续低BFR提供稳定的激活,而间歇性高BFR对于勃起器脊柱激活是优越的.
- BFR提高了感知力度,但没有显著改变腿周长变化.
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