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Prediction of pressure in the spinal column during professionalphysical activities: the use of multibody simulation

Published online by Cambridge University Press:  08 August 2014

Pierre Tihon ,
Philippe Brux ,
Georges Kouroussis  and
Olivier Verlinden
Pierre Tihon*
Affiliation:
Facultépolytechnique, Université de Mons, Boulevard Dolez 31, 7000 Mons, Belgique
Philippe Brux
Affiliation:
Facultépolytechnique, Université de Mons, Boulevard Dolez 31, 7000 Mons, Belgique Modyva, Rue René Descartes 1/4, 7000 Mons, Belgique
Georges Kouroussis
Affiliation:
Facultépolytechnique, Université de Mons, Boulevard Dolez 31, 7000 Mons, Belgique
Olivier Verlinden
Affiliation:
Facultépolytechnique, Université de Mons, Boulevard Dolez 31, 7000 Mons, Belgique
*
a Corresponding author:pierre.tihon@umons.ac.be
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Abstract

Nowadays, backache risks due to professional activities remain high, while theirquantitative estimation is not well-known. Different methods have been developed todetermine the exposure of the spinal column to risk of damage. In Belgium, the “Fond desMaladies professionnelles” (FMP) suggests to use the “Mainz Dortmund Dosis” (MDD) methodto compute the exposure dose accumulated during the whole professional life. This methoduses the so-called biomechanical model “The Dortmunder” where the skeleton of the humanbody is represented by 30 rigid bodies to which certain abdominal and back muscles arelinked. This paper presents an implementation of the Dortmunder model with EasyDyn, aC++ library developed by theDepartment of Theoretical Mechanics, Dynamics and Vibrations of the University of Mons forsolving multibody problems, among others. Our model is first validated by comparing theobtained results with the one found in the literature. It is then used in a posture thatis not considered yet by the FMP. It is shown that working on ones knees can induce forcesin the back that increase the risk of backage.

Keywords

Spinal columnbiomechanicsmultibody simulationDortmunderEasyDyn
Type
Research Article
Information
Mechanics & Industry , Volume 15 , Issue 5 , 2014 , pp. 355 - 361
Copyright
© AFM, EDP Sciences 2014

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