Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/1826
Title: Musculotendon parameters estimation by ultrasound measurement and geometric modeling : application on brachialis muscle
Authors: Li, L
Tong, KYR
Issue Date: 2005
Publisher: IEEE
Source: Proceedings of the 2005 IEEE Engineering in Medicine and Biology 27th Annual Conference : Shanghai, China, September 1-4, 2005, p. 4974-4977 How to cite?
Abstract: Computational modeling for musculoskeletal system provides quantitative insights in analyzing human movement. One of the major challenges in neuromusculoskeletal modeling is to accurately estimate the musculotendon parameters on subject-specific basis. The ultrasound imaging technology presents a new approach to obtain the parameters in vivo. The pennation angle and fascicle length of brachialis (BRA) were measured in vivo with the use of ultrasonography to investigate the relationship between these muscle architecture parameters and elbow joint position. A generic interactive graphics-based geometrical model of the upper limb and BRA was developed to get the musculotendon length and moment arm of the muscle. The results indicate human brachialis architecture is significantly affected by changing of joint angle at passive horizontal movement. These in-vivo measurements provide subjects-specific information and these muscle parameters can be used to set up the neuromusculoskeletal model for the muscle force and torque estimation.
URI: http://hdl.handle.net/10397/1826
ISBN: 0-7803-8740-6
Rights: © 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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