可扩展的肌肉骨模型用于动态模拟下半身运动
1Department of Systems Design Engineering, University of Waterloo, Waterloo, Canada.
Computer methods in biomechanics and biomedical engineering
|February 24, 2024
概括
本研究介绍了一个开源的下肢肌肉骨 (MSK) 模型,用于分析人类运动和计算关节扭矩. 经过验证的模型可以适应各种用户和应用,如体育科学和假肢.
科学领域:
- 生物力学 生物力学
- 人类运动分析分析
- 肌肉骨模型的建模
背景情况:
- 肌肉骨 (MSK) 模型对于分析人类运动,计算关节扭矩,并为外骨和假肢设计提供信息至关重要.
- 准确的MSK模型对于体育科学,康复和辅助设备开发的进步至关重要.
研究的目的:
- 提出一个开源的,下体肌肉骨 (MSK) 模型,用于对人类运动进行详细的生物机械分析.
- 为生物力学和相关领域的研究人员和开发人员提供一个经过验证和可适应的工具.
主要方法:
- 开发了一个低体MSK模型,包括7个体段,具有20个自由度 (DoF) 和28个肌肉扭矩发生器 (MTGs).
- 模型参数来自实验数据,可以根据个体的人类特征 (性别,年龄,质量,身高等) 进行定制. ) 的情况.
- 通过模拟孤立运动的运动范围 (ROM) 内的联合扭矩来验证模型.
主要成果:
- 开发的MSK模型包括7个车身段,20个DoF和28个MTG,使用实验数据构建.
- 该模型展示了适应多种类型的人类测量和受试者特征的适应性.
- 模拟显示与现有文献有很好的一致性,证实了模型的有效性.
结论:
- 提出的开源下体MSK模型是一个有价值的,可适应和验证的工具,用于生物力学研究.
- 这种模型有助于对人类运动进行深入分析,支持体育科学,外骨和假肢开发的进展.
相关概念视频
Bones of the Lower Limb: Femur and Patella
The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the neck...
Virtual Work for a System of Connected Rigid Bodies
Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
Next,...
Next,...
Deformation of Member under Multiple Loadings
When a rod is made of different materials or has various cross-sections, it must be divided into parts that meet the necessary conditions for determining the deformation. These parts are each characterized by their internal force, cross-sectional area, length, and modulus of elasticity. These parameters are then used to compute the deformation of the entire rod.
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...


