最终的潮CO2和通风:用于评估精英长途跑步者的表现水平的新标志物
Akihiro Sakamoto1, Yohei Matsumoto1, Hisashi Naito1
1Juntendo University, Faculty of Health and Sports Science, 1-1 Hiraka-gakuendai, Inzai, Chiba 270-1695, Japan.
Respiratory physiology & neurobiology
|January 2, 2025
概括
精英长途跑步运动员表现出不同的呼吸模式. 在给定的工作负载下,更低的分钟通风 (V·E) 和更高的CO2 (PETCO2) 末端潮部分压力表明更高的耐力性能.
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
- 呼吸系统生理学 呼吸系统生理学
背景情况:
- 训练有素的个体在炼过程中通常表现出较低的分钟通风 (V·E) 和较高的端潮二氧化碳 (PETCO2) 部分压力,而训练不足的个体则表现出较低的分钟通风 (V·E).
- 这些呼吸适应通常与增强的耐力能力有关.
研究的目的:
- 调查这些特征性呼吸模式是否也存在于精英长途跑者中.
- 确定V̇E和PETCO2是否可以作为该人群耐力表现的标记.
主要方法:
- 根据比赛时间,41名长途跑者被分为高 (长高) 和低 (长低) 性能组.
- 十名中距离跑步者 (Middle) 作为对照组.
- 所有参与者都经历了一次增加的跑步机炼测试,以疲劳,测量V̇E和PETCO2.2.
主要成果:
- 与中距离跑者相比,长距离跑者 (长高和长低) 的最大氧气吸收 (V·O2) 和速度更高 (中等).
- 在长高和长低组之间没有发现V·O2或速度的显著差异.
- 在长高组中,submaximal V̇E是最低的,而在高运行速度的PETCO2是最高的,这与长低组区分开来.
结论:
- 以较低的V·E和较高的PETCO2为特征的呼吸模式是评估精英长途跑者耐力表现的重要适应标记.
- 这些发现表明,呼吸道适应在精英耐力表现中起着至关重要的作用.
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