不平坦的地形影响了模拟复杂的月球表面的代谢成本和步态
Kyoung Jae Kim1, Alexander Baughman2, Patrick Estep2
1KBR, 2400 NASA Parkway, Houston, TX 77058, United States of America.
Physiological measurement
|September 13, 2023
概括
宇航员在复杂的月球地形上行走需要更多的能量. 这项研究发现,混合地形显著增加了代谢成本,影响了未来的月球探测任务.
科学领域:
- 太空探索 太空探索
- 人体生理学 人体生理学
- 生物力学 生物力学
背景情况:
- 即将到来的国家航空航天局 (NASA) 任务涉及广泛的人类月球表面探索.
- 步行是月球探测任务的关键活动.
- 在模拟的月球地形上行走时的代谢成本需要进一步研究.
研究的目的:
- 为了量化模拟月球地形行走期间的代谢成本和步态变化.
- 研究不同地形类型对能源开支的影响.
- 识别可以区分地形条件的步态变量.
主要方法:
- 十个健康的受试者在三个模拟的月球地形条件 (平坦,有障碍的平坦,混合地形) 中行走.
- 使用可穿戴代谢监测系统测量能源消耗.
- 使用身体佩戴的惯性测量单位 (IMU) 分析了步态.
主要成果:
- 与其他条件相比,在混合地形上行走显著增加了代谢成本 (p<0.001).
- 基于IMU的新型步态变量成功地区分了不同的地形.
- 在模拟的月球地形环境中发现了步态变化.
结论:
- 复杂的月球地形,有其不规则性,需要更大的身体力度行走.
- 这些发现为计划模拟月球外载活动 (EVA) 提供了宝贵的见解.
- 了解代谢成本对于宇航员健康和月球任务成功至关重要.
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