在英国执法部门的枪支训练指导和15米穿试验中,对心肺呼吸系统的需求
Joseph Warwick1, Sophie Cooper1, Flaminia Ronca1
1Division of Surgery & Interventional Science, Institute of Sport Exercise and Health, University College London, London, United Kingdom.
PloS one
|January 13, 2025
概括
枪支教练教练的枪支教练.
科学领域:
- 生理学 生理学 生理学
- 职业健康 职业健康 职业健康
- 执法能力 适合执法能力
背景情况:
- 执法机构强制要求适应员工安全的健康标准.
- 枪支教练 (FI) 必须满足与作战官员相同的身体要求.
- 量化FI的日常生理压力对于健康和安全至关重要.
研究的目的:
- 测量枪支教练在职业职责期间所经历的日常生理工作负担.
- 为了比较不同测试在评估FI心肺健康方面的有效性.
- 为枪支教练制定适当的健身标准提供信息.
主要方法:
- 19名FI (45 ± 5岁) 在职业任务期间至少10天佩戴心率计.
- 使用跑步机测试 (TT) 和多阶段穿测试 (ST) 来评估最大氧气消耗 (VO2max).
- 线性回归模拟的VO2-HR关系,应用于职业数据;重复测量ANOVA比较VO2max区域.
主要成果:
- 与跑步机测试 (TT) 相比,多阶段的穿测试 (ST) 产生了明显更高的VO2max (45.1 ± 5.6毫升/千克/分钟) 和更短的疲劳时间 (TTE).
- 工作人员大约85%的职业时间在氧气需求低于20毫升/公斤/分钟的情况下工作.
- 峰值职业需求接近VO2max水平的30-40毫升/公斤/分钟.
结论:
- ST是一种更有效的测试,用于评估FI中的心肺健康,产生更高的VO2max和更快的TTE.
- 大多数FI职业任务是低强度的,偶尔会有高强度的爆发.
- 为减轻健康风险,FI的推适应性标准应超过40毫升/千克/分钟的VO2max.
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