在直行和转行时选择交替脚位的基础
Nicholas Kreter1, Peter C Fino1
1University of Utah, Department of Health & Kinesiology, Salt Lake City, UT, United States of America.
Human movement science
|August 28, 2025
概括
人们在出现障碍时适应脚部位置. 根据转向要求,脚位的替换策略在步转和旋转之间有所不同,与接近或未来的轨迹保持一致.
科学领域:
- 生物力学
- 发动机控制
- 人类的运动
背景情况:
- 人们提前计划脚部的位置,以便在移动时保持稳定.
- 意想不到的障碍需要快速调整计划中的脚位,
- 了解适应性脚位对于复杂地形导航至关重要.
研究的目的:
- 在直行和转行时研究替代脚位策略.
- 在遇到障碍物时区分步骤转和旋转转.
- 确定转角度如何影响脚部的适应性.
主要方法:
- 十三名健康的成年人用精确的脚走在虚拟的步道上.
- 参与者进行了直行,步行和旋转 (60°,90°,120°),避免了障碍物.
- 为了确定脚位策略,使用了层次化的引导分析.
主要成果:
- 在不同的转角度观察到刻板的交替脚位策略.
- 步骤转显示了与接近轨迹对齐的交替脚位.
- 转动中断证明了与未来转动轨迹对齐的交替脚位.
结论:
- 人们使用快速的,刻板的行为来调整脚部位置,
- 适应性脚位策略取决于转的具体要求 (步骤与旋转).
- 这些发现提供了关于神经控制运动和障碍谈判的见解.
相关概念视频
01:11Pulse Assessment Sites
Pulse assessment sites are crucial in evaluating a patient's cardiovascular health. By assessing the pulsations of arteries at specific anatomical locations, healthcare professionals can gather valuable information about blood flow, heart rate, and peripheral circulation. Understanding these pulse assessment sites is essential for conducting comprehensive cardiovascular evaluations and monitoring patients' overall health. These sites are strategically chosen due to the accessibility and...
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.