步行期间的血流限制不会影响训练有素的跑步者的身体组成或性能指标
Ashley A Herda1,2, Christopher J Cleary1, Dana Young2
1Department of Health, Sport, and Exercise Sciences, University of Kansas, Lawrence, KS 66046, USA.
Journal of functional morphology and kinesiology
|April 23, 2024
概括
在活跃的成年人中,四周的低强度行走与血流限制 (BFR) 并没有显著改变身体组成或跑步表现. 对于明显的适应,可能需要更强烈或更长时间的BFR暴露.
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
- 康复 康复 康复 康复
背景情况:
- 血液流量限制 (BFR) 训练被认为可以增强肌肉大小和功能.
- 它的应用与低体积,低强度的炼相结合,需要对性能益处进行调查.
研究的目的:
- 为了研究4周的步行计划,有或没有血流限制 (BFR),对健康,活跃的成年人的身体组成和跑步表现的影响.
- 在步行练习框架内比较不同的BFR协议.
主要方法:
- 三十三名活跃的成年人被随机分为三个组:没有BFR的行走,与BFR (间歇性) 的行走,或与BFR的连续行走.
- 在4周的干预之前和之后,参与者接受了身体组成,无氧能力 (40码冲刺) 和有氧能力 (VO2MAX测试) 的评估.
- 运动包括五组2分钟的步行间隔1分钟的休息,或10分钟的连续步行与BFR.
主要成果:
- 在组之间或随着时间的推移 (p > 0.05) 没有观察到身体组成或性能指标 (冲刺,VO2MAX) 的显著差异.
- 在所有组组合后训练 (p = 0.001) 中,在V斜率值的VO2显著增加,这表明有氧效率的总体改善.
- 特定的BFR协议与低体积步行相结合,对这个活跃人口的测量结果没有显著变化.
结论:
- 4周的低体积,低强度步行计划,包括血流限制 (BFR),不足以诱导活跃成人的身体组成或跑步表现发生显著变化.
- 为了实现适应,可能需要更大的刺激,例如更长时间或更孤立的BFR应用到四肢.
- 进一步的研究应该在各种运动方式和人群中探索BFR的剂量反应关系.
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