氧化训练后的二氧化碳过期和性能疲劳:一个纵向的,观察性的,试点研究
Liana C Wooten1,2, Brian T Neville2, Andrew A Guccione2
1Department of Health, Human Function, and Rehabilitation Science, School of Medicine, George Washington University, Washington, D.C.
Cardiopulmonary physical therapy journal
|August 24, 2023
概括
有氧运动训练 (AET) 通过增加呼吸缓冲 (过量的二氧化碳排出) 来提高疲劳性,这表明这种机制影响运动能力.
科学领域:
- 运动生理学 运动生理学
- 心血管功能 呼吸系统功能
- 代谢适应 代谢适应
背景情况:
- 众所周知,有氧运动训练 (AET) 可以改善心肺功能,减少疲劳.
- 将AET与疲劳能力降低联系在一起的具体机制,特别是与二氧化碳 (VCO2) 过期组件相关的具体机制,需要进一步阐明.
- 了解这些适应对于运动能力减弱的临床人群至关重要.
研究的目的:
- 调查强烈的4周AET疗法对二氧化碳过期 (VCO2) 的组成部分的影响.
- 评估AET对健康成年人的心肺功能和疲劳能力的影响.
- 为了确定VCO2成分和AET后疲劳能力之间的关系.
主要方法:
- 20名健康的成年人接受了4周AET计划之前和之后的峰值心肺运动 (CPX) 和亚最大测试.
- 疲劳性是通过耐力测试的持续时间和功率输出来衡量的.
- 呼吸道缓冲 (过量的VCO2) 和代谢VCO2用回归和配对t测试来计算和分析.
主要成果:
- 在AET之后,观察到所有疲劳度指标的显著改善.
- 过量的VCO2在AET后显著增加,而代谢性VCO2没有显著变化.
- 过多的VCO2被确定为疲劳的强有力的预测因素.
结论:
- AET可以独立地影响呼吸道缓冲和VCO2的代谢成分.
- 呼吸缓冲对AET的适应可能在改善疲劳性方面发挥重要作用.
- 这些发现为AET诱导的疲劳性改善提供了一个合理的机制,与健康个体和临床人群相关.
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