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Research Article Section: Bioengineering

Computer Modeling of the Thoracic Spine in Children: Assessment of the Contribution of Rectified Kyphosis in the Possible Development of Adolescent Idiopathic Scoliosis

Author(s): Tainan Medeiros Brandão, Marcelo Greco* and Rozilene Maria Cota Aroeira

Volume 4, Issue 2, 2024

Published on: 22 December, 2023

Page: [106 - 113] Pages: 8

DOI: 10.2174/0122102981274799231208064753

Abstract

Introduction: Adolescent Idiopathic Scoliosis is a spinal deformity. Its development can be linked to hypokyphosis in the thoracic region.

Objective: The present study proposed to investigate, through the finite element method, the biomechanics of the immature thoracic spine segment T5-T10 in normal and rectified kyphosis under axial load, flexion and extension.

Materials and Methods: Intervertebral discs were modeled as hyperelastic material and vertebral bone as elastic linear material. The bone was divided into trabecular and cortical regions. Furthermore, discs were divided into nucleus pulposus and annulus fibrous.

Results: Results indicate greater instability of rectified segments with larger strain and displacements, mainly under extension.

Conclusion: It was concluded that the rectified model is predisposed to the development of scoliosis since higher deformations and displacements in this condition were observed, going in favor of the assumption that this factor would be one of the causes of Adolescent Idiopathic Scoliosis.

Keywords: Scoliosis, thoracic hypokyphosis, intervertebral disc, hyperelasticity, finite element method, biomechanics.

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Graphical Abstract

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