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Iran J War Public Health 2012, 4(2): 57-64 Back to browse issues page
Modeling of Interaction between Sole of Ankle-Foot Orthosis, Soft Tissue, Bones, Cartilage and Tendons in Steppage Gait Disorder through FEM Method for Tension Reduction in Patient Foot
N. Jamshidi *1, H. Hanife2, M. Rostami3, S. Najarian3
1- Department of Biomedical Engineering, Faculty of Engineering, University of Isfahan, HezarJerib.st, Isfahan, Iran , nima_jamshidi@yahoo.com
2- Department of Biomechanics, Faculty of Biomedical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
3- Department of Biomechanics, Faculty of Biomedical Engineering, AmirKabir University of Technology, Tehran, Iran
Abstract:   (16100 Views)

Introduction: In this study, a three dimensional finite element model of human walking with ankle foot orthosis has been made in accordance with the kinematics data of neuropathic patients with drop foot in order to optimize the role of orthosis through minimizing stress on patient's sole.

Methodes & Materials: The required kinetics data for the model were captured through force plate and then analyzed by BioWare software. In this model, the tension in soft tissue and bones during stance phase of gait was calculated. Then the tension variations on joints have been assessed by considering the role of ankle-foot orthosis. Unlike previous researches, the role of orthosis on bone and soft tissue tension has been modeled dynamically and continually. In addition, the contact between the orthosis and sole has been considered in this model.

Result: The tension reduction in sole can improve the role of foot orthosis during abnormal walking and the most optimized sole of orthosis in accordance with kinetics data of each patient can be designed. 

Keywords: Equine Gait, Biomechanical Modeling, Stress analysis, Simulation.
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Article Type: Original Research | Subject: Assistive Medical Device for Veterans or Handicapped
Received: 2011/09/13 | Accepted: 2011/12/11 | Published: 2014/10/27
* Corresponding Author Address: P.O. Box: 81746-73441
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jamshidi N, Hanife H, Rostami M, Najarian S. Modeling of Interaction between Sole of Ankle-Foot Orthosis, Soft Tissue, Bones, Cartilage and Tendons in Steppage Gait Disorder through FEM Method for Tension Reduction in Patient Foot. Iran J War Public Health. 2012; 4 (2) :57-64
URL: http://ijwph.ir/article-1-168-en.html


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Volume 4, Issue 2 (2012) Back to browse issues page
مجله طب جانباز Iranian Journal of War and Public Health
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