由慢性低剂量一氧化碳暴露引起的活高,训练低策略对受过训练的个体的血液学参数和表现的影响
Simone Villanova1, Simone Porcelli2, Lena Ekström3
1Department of Movement, Human and Health Sciences, University of Rome 'Foro Italico', Rome, Italy.
Experimental physiology
|January 13, 2026
概括
低剂量的一氧化碳 (CO) 吸入可以增强红细胞的产生,模仿高空训练的好处,而不会影响性能. 这项研究发现,CO暴露增加了运动员的血红蛋白质量和血液体积.
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
- 生物医学研究生物医学研究
背景情况:
- 在约2500米的高度训练3至4周,可以提高耐力和血液学适应能力.
- 低剂量的一氧化碳 (CO) 吸入正在成为运动员潜在的缺氧模仿剂.
- "生活高,火车低"模式旨在利用海平面上的高度优势.
研究的目的:
- 调查定期低剂量二氧化碳暴露是否可以复制"活高,火车低"模型.
- 评估CO暴露对训练有素个体的血液学和性能影响.
- 为了探索与血红蛋白质量相关的血液学标记物的变化.
主要方法:
- 8名训练有素的人参加了为期4周的海平面随机交叉研究.
- 完成了两个培训区块:一个使用CO吸入 (INCO) 和一个使用环境空气 (AIR) 作为控制.
- 血液学变量,肌肉氧化能力和性能指标均在干预前后进行测量.
主要成果:
- 与对照组相比,CO吸入显著增加了血红蛋白质量 (+53.6g),红细胞体积 (+156.6mL) 和血液体积 (+240.4mL).
- 在CO暴露后,不成熟的网细胞显著减少 (p=0.04).
- 肌肉氧化能力和性能指标在CO吸入后保持不变.
结论:
- 在海平面上每天低剂量的CO暴露超过4周,比标准训练更加强了血液学适应.
- 暴露于二氧化碳有效地增加了红细胞生产的关键指标.
- 在这项研究中,尽管有血液学上的改善,但CO吸入并没有改善肌肉的氧化能力或运动表现.
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