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Di Yi Jun Yi Da Xue Xue Bao. 2002 Sep;22(9):836-8.

[Finite element analysis of lumbar facet joint contact model].

[Article in Chinese]

Author information

  • 1Key Lab of Medical Biomechanics of PLA, First Military Medical University, Guangzhou 510515, China. mc_zhang@21cn.com

Abstract

OBJECTIVE:

To establish a finite element model of the fourth and fifth lumber segments in order to analyze the biomechanical characteristics of facet joints under different pressure loads.

METHODS:

CT sectional images of L(4-5) segments were obtained to construct a finite element model, adopting contact model to simulate the condition the superior and inferior facets were in.

RESULTS:

The facet joint exhibited different performances under different conditions, and more loads was forced on it when the model was twirled.

CONCLUSION:

The facet joints should be simulated as in condition of contact to help correct understanding of the biomechanical characteristics of the spinal segment.

PMID:
12297448
[PubMed - indexed for MEDLINE]
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