Biomechanical model for musculoskeletal simulation

Biomechanical model for musculoskeletal simulation

Megdi Eltayeb

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Abstract. Musculoskeletal modeling is a technique for studying joint contact forces and moments during a movement. Subject-specific models can achieve high accuracy in estimating joint contact forces. Construction of subject-specific models, on the other hand, remains costly and time-consuming. The objective of this study was to determine what changes could be made to generic musculoskeletal models to improve the estimation of joint contact forces. The effect of these changes on the accuracy of the estimated joint contact forces was evaluated. A variety of change strategies were discovered, including muscle models (e.g., muscle length), joint angle models (e.g., angle, number of degrees of freedom), moments and optimization problems (e.g. objective function, constraints, design variables). All of these changes had an effect on joint contact force accuracy, demonstrating the potential for improving model predictions without requiring time-consuming and expensive medical techniques. However, due to inconsistencies in the literature evidence about this effect, and despite the high quality of the reviewed studies, no trend defining which change had the greatest effect could be identified.

Biomechanical, Musculoskeletal, Modeling, OpenSim

Published online 8/10/2023, 7 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: Megdi Eltayeb, Biomechanical model for musculoskeletal simulation, Materials Research Proceedings, Vol. 31, pp 187-193, 2023


The article was published as article 20 of the book Advanced Topics in Mechanics of Materials, Structures and Construction

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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