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相关实验视频

Updated: Jun 27, 2025

Comprehensive Understanding of Inactivity-Induced Gait Alteration in Rodents

Comprehensive Understanding of Inactivity-Induced Gait Alteration in Rodents

Published on: July 6, 2022

人类姿势跟踪算法的有效性验证,用于步态分析能力.

Tadamitsu Matsuda¹, Yuji Fujino², Hitoshi Makabe¹

¹Department of Physical Therapy, Faculty of Health Science, Juntendo University, Tokyo 113-0033, Japan.

Sensors (Basel, Switzerland)

|April 27, 2024

概括

二维 (2D) 步态分析系统显示出临床应用的前景,证明了与时间距离参数的3D系统的良好一致性. 对于精确的关节角度测量,特别是对于部,需要进一步改进.

关键词:

步态步态步态步态人类姿势估计估计运动分析分析运动分析.验证验证的时间

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Substantiating Appropriate Motion Capture Techniques for the Assessment of Nordic Walking Gait and Posture in Older Adults

Substantiating Appropriate Motion Capture Techniques for the Assessment of Nordic Walking Gait and Posture in Older Adults

Published on: May 12, 2016

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Last Updated: Jun 27, 2025

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科学领域:

生物力学生物力学
临床生物力学临床生物力学
运动分析运动分析

背景情况:

二维 (2D) 临床步态分析系统在成本和便携性方面比传统的三维 (3D) 系统具有优势.
对2D系统与已建立的3D标准进行验证对于其临床采用至关重要.

研究的目的:

为了统计验证Imasen和OpenPose的2D步态测量系统与Vicon的3D运动捕捉系统相比.
评估2D系统在步行过程中测量时间,距离和关节角度参数的准确性.

主要方法:

2D (Imasen,OpenPose) 和3D (Vicon) 步态分析系统的比较.
测量时间因子,距离因子和部/膝关节关节角度在松平面.
在平行行走过程中以不同的速度和步态 (正常,最大,双重) 进行的实验.

主要成果:

与Vicon相比,大多数步态参数的类内相关系数超过0.769,除了一些膝关节角度的例外.
对于时间-距离参数,发现了很好的相对一致性,对于运动收缩范围 (不包括关节角度) 发现了中等至优异的相对一致性.
时间距离参数的相关系数高 (>0.571) 但关节角度,特别是部角度较低.

结论:

2D步态分析系统对时间距离参数具有良好的可靠性,支持其临床实用性.
2D模型的进一步改进是必要的,以提高捕捉部和膝关节角度的准确性.
这些发现指导了未来的发展,以加强2D步态分析的临床应用.