冲刺间隔训练和运动后血流限制对在坡道增量循环过程中肌肉脱氧反应的综合效应
Brynmor C Breese1, Stephen J Bailey2, Richard A Ferguson2
1School of Biomedical Sciences, Faculty of Health, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, UK. brynmor.breese@plymouth.ac.uk.
European journal of applied physiology
|October 22, 2024
概括
冲刺间隔训练与血液流量限制相结合,通过增加肌肉分数O2提取来增强氧气吸收. 这种训练方法可以改善未经训练的男性的气体交换和微血管脱氧反应.
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
- 心血管研究研究心血管研究
背景情况:
- 冲刺间隔训练 (SIT) 可以改善心肺呼吸能力.
- 血流限制 (BFR) 可以增强训练适应能力.
- SIT + BFR对生理反应的综合影响尚未完全理解.
研究的目的:
- 调查SIT与运动后BFR (SIT+BFR) 结合在骑自行车期间对肺气交换和肌肉微血管脱氧的影响.
- 为了比较SIT+BFR与单独SIT的影响.
主要方法:
- 19名未经训练的男性接受了4周的SIT或SIT+BFR.
- 参与者完成了干预前和后的机场增量循环测试.
- 近红外光谱学 (NIRS) 测量了巨大的横向肌肉中脱氧化血和组织氧化指数.
主要成果:
- 这两种干预措施都增加了7%的氧气吸收峰值.
- SIT+BFR显著增加了肌肉脱氧的峰值,并在疲劳时降低了组织氧化指数.
- 此外,SIT+BFR还导致气体交换值时循环功率显著增加.
结论:
- 将运动后的BFR与SIT结合起来,可以通过增加肌肉分数O2提取来增强氧气吸收.
- 在未受过训练的个体中,SIT+BFR似乎是改善心肺和微血管功能的强有力的刺激剂.
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