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在夜间增加代谢需求 在丘陵森林地形中散步,同时佩戴夜视眼镜
Lena Norrbrand1, Björn Johannesson1, Mikael Grönkvist1,2
1Division of Environmental Physiology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Solna 171 65, Sweden.
Military medicine
|June 24, 2024
概括
使用夜视眼镜 (NVG) 的夜间步行显著减少了步行经济,并缩短了士兵的步伐长度. 增加额外的重量进一步降低了性能,特别是对于没有经验的NVG用户.
科学领域:
- 军事科学 军事科学
- 人体生理学 人体生理学
- 生物力学 生物力学
背景情况:
- 夜间作战对军事人员来说至关重要.
- 之前的研究表明,在黑暗中使用夜视眼镜 (NVG) 减少了步行经济.
- 对丘陵地形和不同用户体验的影响需要进一步调查.
研究的目的:
- 为了评估NVG使用对步行经济和生物力学在丘陵森林地形的影响.
- 为了比较经验丰富的与不经验丰富的NVG用户.
- 为了评估加重对性能的影响.
主要方法:
- 两个小组 (有经验和没有经验的NVG用户) 走了1.1公里在一个山丘森林在晚上.
- 条件包括前灯 (灯),单眼NVG,双眼NVG和带有25公斤背包的NVG.
- 测量包括氧气吸收 (步行经济),心率,步行参数和步行速度.
主要成果:
- 在所有视力有限的条件下 (NVG,背包) 与两组光线条件相比,步行经济显著下降.
- 没有经验的小组显示,背包带来的经济下滑更大.
- 在所有视力有限的条件下,步骤的长度都减少了,特别是对于没有经验的用户来说.
结论:
- 佩戴NVG显著降低了夜间在丘陵地形行走时的机械效率,无论用户的经验如何.
- 增加的体重进一步加剧了行走经济的下降.
- 更短的步骤长度可能有助于观察到的机械效率下降.
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