探索即时心肺呼吸反应:低强度血流受限骑自行车与中等强度传统运动在随机交叉试验中的随机交叉试验
Manuel Kuhn1,2, Christian F Clarenbach3,4, Adrian Kläy4
1Faculty of Medicine, University of Zurich, Zurich, Switzerland. Manuel.kuhn@usz.ch.
BMC sports science, medicine & rehabilitation
|August 15, 2024
概括
血流限制 (BFR) 耐力运动在50%的IPPO和50%的LOP下显示,心肺呼吸工作和呼吸力比传统运动在65%的IPPO下更低. BFR可能是耐力训练的有效替代品.
科学领域:
- 运动生理学 运动生理学
- 心血管健康 呼吸系统健康
- 运动科学 运动科学 运动科学
背景情况:
- 血流限制 (BFR) 训练提供了一种提高耐力表现和肌肉力量的潜在方法.
- 它可以达到与传统耐力训练相似的结果,但在较低的运动强度下.
- 这项研究研究了BFR间歇运动对急性心肺呼吸反应的研究.
研究的目的:
- 为了比较低强度间歇运动与BFR和中等强度传统间歇运动 (TRA) 之间的急性心肺呼吸反应.
- 评估BFR作为替代培训模式的可行性.
- 为了评估在两个运动协议期间感知到的劳动力.
主要方法:
- 采用了一种随机交叉研究设计.
- 参与者执行了两个循环协议:BFR-50 (50%的增量峰值功率输出[IPPO]和50%的肢体阻塞压力[LOP]) 和TRA-65 (65%的IPPO没有阻塞).
- 测量了每分钟的通风,氧气消耗,二氧化碳的产生,以及呼吸和腿部感知劳动力 (RPE) 的评级.
主要成果:
- 与TRA-65相比,BFR-50导致每分钟通风,氧气消耗,二氧化碳产量和感知呼吸力度显著降低.
- 与TRA-65相比,在BFR-50期间感知到的腿部劳动力显著更高.
- 24名健康个体完成了这项研究,数据使用线性混合模型进行分析.
结论:
- 与 65% IPPO 的 TRA 相比,BFR 耐力运动在 50% IPPO 和 50% LOP 引起心肺呼吸工作量减少和感知呼吸努力.
- BFR-50为TRA-65提供了可行的替代方案,提供更少的呼吸应变,同时增加感知到的腿部劳动力.
- 这表明BFR可能是改善耐力的一种有益的训练策略.
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