揭示人类生物力学:洞察下肢对可能引发跌倒的干扰的反应
Nuno Ferrete Ribeiro1, Miguel Armada1, João Nunes1
1Center for MicroElectroMechanical Systems, University of Minho, Guimarães, Portugal.
Frontiers in robotics and AI
|September 25, 2024
概括
这项研究分析了滑倒时下肢生物力学,以告知可穿戴机器人防摔系统. 调查结果详细介绍了联合反应和运动范围,这对于提高弱势群体的安全至关重要.
科学领域:
- 生物力学 生物力学
- 机器人技术 机器人技术 机器人技术
- 老年学是一门学科.
背景情况:
- 与滑动相关的跌倒对老年人和有步行障碍的个人构成重大风险.
- 有效的预防措施对于这个脆弱的人口群体至关重要.
- 了解下肢对干扰的反应是制定预防跌倒策略的关键.
研究的目的:
- 生物机械地研究下肢对滑动式跌落扰动的反应.
- 确定可穿戴机器人防摔系统的目标规格.
- 提供关于人类自然生物力学反应的见解,以加强防摔的预防.
主要方法:
- 在模拟滑落时收集动力学,时空和电动图学数据.
- 分析了下肢的反应,无论是在前平面和前平面.
- 研究了步行速度,表面倾斜,脚滑动和扰动强度的影响.
主要成果:
- 标志性部,膝盖和脚时刻 (延伸,曲,脚下曲) 在滑动和拖动的腿.
- 确定了运动参数的目标范围:部 (85.19°),膝盖 (106.34°),脚 (95.23°).
- 在各种条件下量化了每分钟的关节旋转和曲/延伸扭矩值.
结论:
- 这项研究提供了宝贵的生物力学见解,以防止滑倒.
- 这些发现有助于设计可穿戴机器人系统,以提高安全性.
- 这项研究有助于为弱势群体开发有针对性的干预措施.
相关概念视频
01:08Reflex Activity
A reflex activity is an automatic, involuntary response to specific stimuli. It is a part of our survival mechanism, designed to protect us from potential harm. For example, when a bright light suddenly shines into our eyes, we instinctively close them or look away. This is a simple reflex activity orchestrated by the nervous system without conscious thought or effort.
A reflex exam is a diagnostic procedure performed by a healthcare professional to evaluate the functionality of a patient's...
A reflex exam is a diagnostic procedure performed by a healthcare professional to evaluate the functionality of a patient's...
01:28Muscles of the Leg that Move the Foot and Toes
The human leg comprises an intricate system of muscles that facilitate the movement of feet and toes. Within this system, the muscles are categorized into the anterior, lateral, and posterior compartments, each with a unique set of muscles carrying out specific functions.
Anterior Compartment
The anterior compartment includes muscles that contribute to the dorsiflexion of the foot. This compartment houses the tibialis anterior, extensor hallucis longus, and extensor digitorum longus muscles.
Anterior Compartment
The anterior compartment includes muscles that contribute to the dorsiflexion of the foot. This compartment houses the tibialis anterior, extensor hallucis longus, and extensor digitorum longus muscles.