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Effects of total disc replacement on range of motion and facet stress in lumbar spine using a finite element analysis

Suarin, M. A. and Latif, M. J. A. and Zakaria, M. S. and Harun, M. N. and Nguyen, H. Q. (2021) Effects of total disc replacement on range of motion and facet stress in lumbar spine using a finite element analysis. International Journal of Nanoelectronics and Materials, 14 (ISST). pp. 263-274. ISSN 1985-5761

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Official URL: http://dspace.unimap.edu.my:80/xmlui/handle/123456...

Abstract

The focus of this study was to investigate the effects total disc replacement (TDR) on the range of motion (ROM) and facet joint stress at the lumbar spine region. A three-dimensional (3D) finite element model of the osseoligamentous lumbar spine was developed and subjected to the moment load in flexion, extension, left bending, and right torsion. The findings of this study indicated that the implanted spine with Prodisc-L caused an increase in ROM during flexion-extension motion and left bending motion ranged from 1% to 5%. However, ROM decreased during torsion motion by 7% after TDR. Meanwhile, the facet stress values increased at the treated level of L4L5 after Prodisc-L implantation ranging from 12% to 27% of differences in all spine motion. But, decreasing values was observed in most of the adjacent level for both left and right facets. In brief, this phenomena could be one of the potential causes of early facet arthrosis, facet degeneration, and lower back pain in the immediate future.

Item Type:Article
Uncontrolled Keywords:Facet stress, Finite element method, Lumbar spine, Range of motion, Total disc replacement
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Mechanical Engineering
ID Code:97190
Deposited By: Widya Wahid
Deposited On:23 Sep 2022 02:54
Last Modified:23 Sep 2022 02:54

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