消防员的亚最大有氧能力和强度测试的有效性
W Hart1, D Taylor2, D C Bishop2
1North Yorkshire Fire and Rescue Service, Transport and Logistics Hub, Thirsk, UK.
Occupational medicine (Oxford, England)
|February 21, 2024
概括
亚最大强度测试适用于消防员,而切斯特步骤测试提供了具有成本效益的有氧能力估计. 这两种方法都为消防员的健康和表现提供了宝贵的见解.
科学领域:
- 职业健康 职业健康 职业健康
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
背景情况:
- 由于实际约束,消防员的健康状况通常使用亚最大值方法进行评估.
- 这些次最大测试对于估计消防员最大有氧能力 (V ̇O2max) 和肌肉力量的有效性尚未得到充分证实.
研究的目的:
- 评估亚最大值测试在估计V ̇O2max和在作战消防员中最大力量的准确性.
- 为了确定估计和最大适应性措施与实际消防性能之间的关系.
主要方法:
- 22名消防员在同一天接受了V ̇O2max的次最大 (切斯特步骤测试;CST) 和最大跑步机测试.
- 10名消防员的子组还完成了次最大和最大的背 (最多一次重复;1RM) 评估.
- 参与者随后进行了消防员模拟测试 (FFST).
主要成果:
- CST稍微低估了V ̇O2max (~3%),但值高度相关,并没有显著差异.
- 亚最大背部俯卧试验准确预测了最大强度 (1RM),显示出强烈的相关性并且没有显著差异.
- 估计的V ̇O2max与FFST表现呈负相关性,而年龄,BMI,1RM和V ̇O2max最好预测FFST结果.
结论:
- 亚最大背部坐测试是评估消防员最大力量而没有最大努力的疲劳的有效方法.
- CST提供了适用于消防任务的合理有效和成本效益的V ̇O2max估计.
- 虽然CST是有用的,但其观察到的错误需要谨慎使用它来对VO2max基准进行操作决策.
相关概念视频
01:25Pulmonary Function Tests
331
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...
331
01:17Exercise 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
01:24Respiratory Capacities
812
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...
812