在看似健康的成年人中,对最大和次最大运动测试的VO2max估计的比较
Marc-Olivier Dugas1,2,3, Pénélope Paradis-Deschênes1,2,3, Laurie Simard1,3,4
1Unité D'enseignement en Kinésiologie, Département des Sciences de la Santé, Université du Québec à Chicoutimi (UQAC), Saguenay, QC G7H 2B1, Canada.
Sports (Basel, Switzerland)
|December 22, 2023
概括
美国体育医学学院 (ACSM) 运行方程在最大和次最大运动测试中高估了最大氧气摄入量 (VO2max). 然而,亚最大值测试提供了比最大值测试更准确的VO2max预测.
科学领域:
- 运动生理学 运动生理学
- 心脏呼吸系统健康评估评估
背景情况:
- 在许多临床和体育环境中,无法直接测量VO2max.
- 回归方程,就像ACSM运行方程一样,用于间接的VO2max估计.
- 之前的研究表明,估计和测量VO2max之间存在差异.
研究的目的:
- 在成年跑步者的最大和次最大运动测试中,使用ACSM跑步方程评估VO2max估计的准确性.
- 为了比较不同的亚最大值估计方法与测量VO2max的准确性.
主要方法:
- 99名健康,活跃的成年人参与了这项研究.
- 直接测量VO2max,并与ACSM运行方程的估计值进行比较.
- 使用了两个次最大估计值:一个是预测年龄最大心率 (HRmax),另一个是测量HRmax.
主要成果:
- 最大和次最大的ACSM方程估计都显著高估了测量的VO2max.
- 与最大测试相比,亚最大估计 (ACSMsubmax,Fox和ACSMsubmax,测量) 显示了较小的高估值.
- 亚最大测试提供了比最大测试更准确的VO2max预测.
结论:
- 在目前的形式,ACSM跑步方程高估了成年跑步者的真实VO2max.
- 使用ACSM方程的亚最大限度运动测试比最大限度测试更准确地预测VO2max.
- 对VO2max估计的回归方程进行进一步细化是有必要的.
更多相关视频
相关概念视频
Respiratory Volumes and Capacities
2.0K
The respiratory system is responsible for the intake of oxygen and the expulsion of carbon dioxide from the body. Respiratory volumes describe the volume of air in the lungs at different phases of the respiratory cycle. Tidal volume is the air breathed in and out during normal, quiet breathing. Inspiratory reserve volume is the air that can be forcefully inspired beyond the tidal volume. In contrast, expiratory reserve volume refers to the air that can be expelled from the lungs after a normal...
2.0K
Exercise and Cardiac Output
1.0K
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be...
Sustained exercise increases the muscles' oxygen demand, which can be...
1.0K
Respiratory Capacities
813
Respiratory capacities are crucial indicators of lung function, representing the maximum amount of air an individual's respiratory system can handle during various breathing phases.
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...
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...
813
Pulmonary Function Tests
334
Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
334
Lung Capacity
50.3K
The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.
50.3K
Exercise and Cardiovascular Response
820
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
820


