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到4300米的逐步上升不会改变低地或西藏高地的人的立足平衡

Jessica A Dickenson¹, Taylor S Harman^2,3, Ajaya J Kunwar⁴

¹Department of Biology, Faculty of Science and Technology, Mount Royal University, Calgary, AB, Canada.

European journal of applied physiology

|April 11, 2025

概括

在低地人和西藏高地人中,逐渐上升到4300米并没有改变站立平衡. 这项关于高度和平衡的研究发现,尽管氧和率降低,但姿势摇摆没有显著变化.

科学领域:

生理学生理学生理学
高度医学高度医学
人类表现的人类表现.

背景情况:

高空暴露会影响生理参数,包括氧和.
以前的研究表明,在高海拔地区,站立平衡可能会受到损害.
了解像低地人和西藏高地人这样的多样群体中的平衡适应是非常重要的.

研究的目的:

为了研究到4300米的增量登对站立平衡的影响.
为了在不同高度条件下比较低地人和西藏高地人的平衡性能.
评估视觉输入 (眼睛开/闭) 对高空平衡的影响.

主要方法:

29名健康参与者 (15名低地人,14名西藏高地人) 接受了平衡测试.
在5天的登山后,在1400米和4300米处使用强力板评估站立平衡.
压力中心 (CoP) 速度和标准偏差量化了姿势摆动;监测了SpO2.

主要成果:

周围血液中氧和度 (SpO2) 在4300m时显著下降.
对于任何一个群体,在高度之间没有观察到COP速度或标准偏差的显著变化.
西藏高地人比低地人眼睛开时表现出更大的COP速度;男性比眼睛闭着的女性表现出更大的摇摆.

结论:

到4300米的逐步上升似乎不会损害低地人或西藏高地人的站立平衡.
这些发现与之前的研究结果形成鲜明对比,该研究表明高海拔地区的平衡赤字.
建议对高海拔徒步旅行模型和适应对平衡的影响进行进一步的研究.

关键词:

高海拔高度的高海拔地区.低血压性缺氧 (hypobaric hypoxia) 是一种高血压性缺氧.姿势控制姿势控制谢尔巴人是一个谢尔巴人.常态余额常态余额常态余额西藏高地人是西藏高地人的象征.

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