在健康的年轻成年人中,在水上和陆上运动期间的呼吸系统调节和肺体积
Daisuke Hoshi1,2, Marina Fukuie3, Tsubasa Tomoto3,4
1Doctoral Program in Sports Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan.
与陆地骑自行车相比,水中骑自行车增加了呼吸力,即使氧气吸收与氧气吸收相匹配. 这表明,水浸式炼可能会带来更好的呼吸训练效益.
科学领域:
- 运动生理学 运动生理学
- 呼吸系统生理学 呼吸系统生理学
- 环境生理学环境生理学
背景情况:
- 在静止状态下浸泡水会减少肺部体积和由于水静压而导致的服从.
- 这些影响可能会影响水中运动期间的呼吸调节和肺体积.
研究的目的:
- 为了比较水中循环运动 (AC) 与陆上循环运动 (LC) 的呼吸调节和肺体积.
- 为了使运动强度与环境之间的氧气吸收 (VO2) 相匹配.
主要方法:
- 十名健康成年人在水上和陆地条件下以低到中等强度骑自行车.
- 测量了呼吸变量 (VE,RR) 和气体交换 (VO2).
- 肺体积 (ERV,IRV,VT,FVC) 通过螺旋计进行评估.
主要成果:
- 氧气吸收 (VO2) 在水生和陆生循环之间是匹配的.
- 水中循环运动导致中等强度的分钟通风率 (VE) 和呼吸率 (RR) 更高.
- 在水生循环过程中,VO2 (VE/VO2) 的呼吸器等价值升高.
- 在水生循环中,呼吸储备量 (ERV) 较低,启发储备量 (IRV) 较高.
结论:
- 在水中骑自行车需要更大的呼吸工作,相比于在匹配VO2的陆地骑自行车.
- 在水上运动期间肺体积的变化 (ERV降低,IRV增加) 可能会导致呼吸力增加.
- 这些发现表明,水中运动可能为呼吸肌肉训练提供更强大的刺激.
更多相关视频
07:09Assessment of Pulmonary Capillary Blood Volume, Membrane Diffusing Capacity, and Intrapulmonary Arteriovenous Anastomoses During Exercise
Published on: February 20, 2017
08:44Author Spotlight: Integrating Alveolar-Capillary Reserve Measurements in Exercise Adaptation and Therapeutic Strategies
Published on: February 2, 2024
相关概念视频
Respiratory Volumes and Capacities
Respiratory Volumes
Tidal Volume (TV) Tidal volume (TV) is the air inhaled or exhaled in a...
Respiratory Volumes and Capacities I
Factors Affecting Pulmonary Ventilation
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
Physiological Control of Respiration
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
Respiratory Capacities
One key metric is the Inspiratory Capacity (IC), which represents the maximum amount of air that can be inhaled with full effort. IC is calculated by summing the tidal volume and inspiratory reserve volume, typically ranging from 2.4 to 3.6 liters.
The Functional Residual Capacity (FRC) represents the air in the...
