alexa The Effect of the Posterior Loading on the Spine of a School Child
ISSN 2472-0429

Advances in Cancer Prevention
Open Access

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Research Article

The Effect of the Posterior Loading on the Spine of a School Child

Samir Zahaf1*, Bensamine Mansouri1, Abderrahmane Belarbi1 and Zitouni Azari2

1Department of Mechanical Engineering, University of Sciences and Technology, Oran, Algeria

2Laboratory of Biomechanics, Polymers and Structures, ENIM-Metz, France

Corresponding Author:
Samir Zahaf
Department of Mechanical Engineering
University of Sciences and Technology, Oran, Algeria
Tel: +213 (041)-56 03 27
E-mail: [email protected]

Received Date: July 27, 2016; Accepted Date: August 18, 2016; Published Date: August 26, 2016

Citation: Zahaf S, Mansouri B, Belarbi A, Azari Z (2016) The Effect of the Posterior Loading on the Spine of a School Child. Adv Cancer Prev 1:112. doi:10.4172/2472-0429.1000112

Copyright: © 2016 Zahaf S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The objective of this work is to study the effect of the backpack on the components of the spine system of a child school, know the effect of an eccentric force on the intervertebral discs, the creating a 3D model of the spine of a child of 38 kg overall weight under the effect of three eccentric load (P2, P3, P4) plus P1 compression load and calculated by the element method ends, For the boundary conditions we fixed the sacrum (Embedding the sacrum). We propose in this section to draw up a comprehensive study of the distributions of stresses and normal elastic strain of Von Mises in the intervertebral discs based on loads supported. The results show that the stress and strain of Von Mises are highest and concentrated in four intervertebral discs (D1, D2, D3 and D4), which causes a problem that calls (herniated disc). We concluded that the cause of the posterior load, a 300 mm lever arm with a 150 N force present maximum Von Mises stresses concentrated in four intervertebral discs (D1, D2, D3, D4), which justifies the distance between the load which is the point of application of the load and the axis of the spine plays a very important role in increasing the solicitation of the latter.

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