心肺呼吸能力水平对高层消防任务期间生理反应和任务绩效的影响
Richard Daniel Mark Stevenson1, Joseph Warwick, James Lee John Bilzon
1From the Department for Health, University of Bath, Bath, UK (R.D.M.S., J.L.J.B.); and University College London, London, UK (W.J.).
Journal of occupational and environmental medicine
|March 15, 2024
概括
更高的心肺呼吸能力 (CRF) 显著提高了消防员在高层登任务中的表现. 较不适合的消防员经历了更长的任务时间和增加的劳动力,影响了他们完成模拟紧急响应的能力.
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
- 消防员 表演 科学 科学
背景情况:
- 消防需要大量的体力,包括高层建筑的垂直爬行.
- 心血管健康 (CRF) 是消防员体力劳动标准的关键组成部分.
- 在模拟高层建筑场景中评估CRF对性能的影响对于安全性和有效性至关重要.
研究的目的:
- 调查不同心肺呼吸能力 (CRF) 水平对消防员在模拟120米高层登期间的生理和绩效结果的影响.
- 为了比较消防员满足或超过国家最低CRF标准 (高合适) 和以下标准 (低合适[LF]) 之间的结果.
主要方法:
- 28名消防员参加了两个模拟的高层登试验:连续和不连续 (有1分钟的休息时间).
- 在设定的高度收集了生理和性能数据,包括任务时间,心率,感知劳力的评级,核心体温和热舒适度.
主要成果:
- 在两种上升条件下,低身材 (LF) 的消防员表现出更长的任务完成时间.
- 据报道,LF消防员对感知到的劳动力和热不适的评分更高.
- 在LF消防队员的三倍增加,他们无法在没有耗尽空气供应 (低空报警) 的情况下完成登山.
结论:
- 提高心肺呼吸能力 (CRF) 在模拟的高层消防楼梯爬升任务中提高了性能和生理效率.
- 维持适当的CRF对于消防员来说至关重要,以有效地管理高层紧急响应的物理需求.
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