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肌肉协同作用和代谢适应在老年人的乱行走过程中

Samuel D'Emanuele¹, Marco Ghislieri², Laura Ghiotto³

¹Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy. samuel.demanuele@univr.it.

Scientific reports

|July 2, 2025

概括

老年人的行走障碍增加了代谢需求,需要改变肌肉协调. 适应不稳定的条件增强了强度,但提高了行走的能量成本.

科学领域:

生物力学生物力学
老年学是一门学科.
运动生理学运动生理学

背景情况:

步行对老年人的健康至关重要,但在扰乱的条件下变得具有挑战性.
了解神经肌肉和代谢适应在乱行走期间是必不可少的,对于这个人口.

研究的目的:

为了在健康的老年人中比较稳定与乱的行走.
研究速度和干扰对代谢成本和肌肉协同作用的影响.

主要方法:

16名健康的老年人在稳定和乱的条件下以不同的速度在跑步机上行走.
电肌图数据被用来提取肌肉协同作用.
测量了氧气吸收 (VO2),每分钟的通风,心率和感知力的速度 (RPE).

主要成果:

与稳定的行走相比,以3公里/小时的速度行走显著增加了氧气吸收和能量成本.
与3公里/小时相比,更高的速度降低了VO2,能量成本和RPE.
步行协同组合在从稳定步行到乱步行的过渡期间发生了显著的修改.

结论:

过渡到更强大的运动运动控制障碍的步行可能会增加老年人的代谢需求.
肌肉协同组合的适应是管理在具有挑战性的条件下步行稳定的关键.

关键词:

能源成本能源成本机动车辆机动车辆机动车辆发动机模块发动机模块发动机模块控制神经肌肉的控制

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