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By the means of finite element analysis (FEa), biomechanical behaviors of human mandible have been widely studied over decades. Many different types of simulation of muscle forces have been employed in studies to increase the reality of mastication environment. Among these studies, Cruz et al (2003)'s calculation of muscle forces was well accepted. However, these simulations have not been verified...
Low back pain was paid more attention, due to cause a decline in the quality of life and great economic costs. There are many risk factors for low back pain using manual material handing, such as poor postures, excessive force and vibration, manual material handing is a high incidence of low back pain industry. This study analyzed the gravity torque, erector spinae muscle strength as well as the extrusion...
A finite element modeling was performed in order to study the glenohumeral joint. A comparison study was conducted between the healthy humerus and an uncemented prosthetic humerus. We simulated the external and internal rotation of the glenohumeral joint in order to compare the deformation, strain and stress appeared in the prosthetic humerus with the healthy one. The results show that for the external...
The aim of this paper is to investigate the mechanical effects of Botox application to muscle pathologies such as spasticity on isolated muscle model via finite element analysis. In order to determine the effect of paralyzation location three cases are chosen: Proximal half passive, middle half passive and distal half passive. Whole muscle active and whole muscle passive cases are also studied for...
Passive filling is a major determinant for the pump performance of the left ventricle and is determined by the filling pressure and the ventricular compliance. We quantified the influence of left-ventricular shape on the overall compliance and the distribution of passive fiber stress and strain during the filling period in normal myocardium. Hereto, fiber stress and strain were calculated in a finite...
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