Journal
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
Volume 27, Issue 2, Pages 483-489Publisher
KOREAN SOC MECHANICAL ENGINEERS
DOI: 10.1007/s12206-012-1264-z
Keywords
Lumbar spine; Biomechanics; Finite element analysis; Intervertebral disc degeneration
Categories
Funding
- National Agenda Project (NAP)
- Korea Research Council of Fundamental Science Technology [P-09-JC-LU63-C01]
- Kyung Hee University [KHU-20111209]
Ask authors/readers for more resources
The consideration of biomechanical alterations due to intervertebral disc (IVD) degeneration is crucial for the accurate analysis of spine biomechanics. In this study, finite element (FE) models of the L4-L5 motion segment with full coverage of the degeneration grades from healthy IVD to severe degeneration were developed. The effects of IVD degeneration on spine biomechanics were analyzed under physiological loading conditions using compressive forces and bending moments. The FE models of all degeneration grades were consistent with published data in terms of the ranges of motion. Severe IVD degeneration showed lower inter-segmental rotations in flexion-extension and lateral bending, lower intradiscal pressure in all motions, higher facet joint forces in lateral bending and axial rotation, and higher von-Mises stress in annulus ground substance in all motions versus the healthy IVD. These findings could provide fundamental information for understanding the characteristics of the biomechanical behaviors of degenerated lumbar motion segments.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available