后肢
步态
比目鱼肌
生物力学
步态分析
解剖
肌腱
生物医学工程
模拟
计算机科学
骨骼肌
物理医学与康复
医学
作者
Derya Karabulut,Suzan Cansel Doğru,Yi-Chung Lin,Marcus G. Pandy,Walter Herzog,Yunus Ziya Arslan
出处
期刊:Journal of biomechanical engineering
[ASME International]
日期:2020-02-19
卷期号:142 (5)
被引量:11
摘要
Various methods are available for simulating the movement patterns of musculoskeletal systems and determining individual muscle forces, but the results obtained from these methods have not been rigorously validated against experiment. The aim of this study was to compare model predictions of muscle force derived for a cat hindlimb during locomotion against direct measurements of muscle force obtained in vivo. The cat hindlimb was represented as a 5-segment, 13-degrees-of-freedom (DOF), articulated linkage actuated by 25 Hill-type muscle-tendon units (MTUs). Individual muscle forces were determined by combining gait data with two widely used computational methods-static optimization and computed muscle control (CMC)-available in opensim, an open-source musculoskeletal modeling and simulation environment. The forces developed by the soleus, medial gastrocnemius (MG), and tibialis anterior muscles during free locomotion were measured using buckle transducers attached to the tendons. Muscle electromyographic activity and MTU length changes were also measured and compared against the corresponding data predicted by the model. Model-predicted muscle forces, activation levels, and MTU length changes were consistent with the corresponding quantities obtained from experiment. The calculated values of muscle force obtained from static optimization agreed more closely with experiment than those derived from CMC.
科研通智能强力驱动
Strongly Powered by AbleSci AI