The effect of soft tissue properties on overall biomechanical response of a human lumbar motion segment: A preliminary finite element study

Cunningham, Helen, Little, J. Paige, Pearcy, Mark J., & Adam, Clayton J. (2007) The effect of soft tissue properties on overall biomechanical response of a human lumbar motion segment: A preliminary finite element study. In The Adelaide Centre for Spinal Research - Spinal Research Symposium V, 28-30 August 2007, Adelaide, Australia.

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Finite element (FE) modelling is a popular numerical method used to study the biomechanics of the spine. Existing FE models have been used to investigate the effects of tissue degeneration, fixation implants and vertebral fractures. However, a wide range of geometric and material properties have been used to represent the soft tissues of the spne, and there is no consensus on the best approach for soft tissue modelling, or the relative importance of various soft tissues in governing the biomechanics of the motion segments. This study investigates the relative effect of soft tissue properties on the overall response of a human spinal motion segment using an osseo-ligamentous FE model of the Visible Man L3-L4 intervertebral joint. The results from this study demonstrate that some soft tissue structures are more critical than others in determining the characteristic behaviour of the spine. Correct representation of the mechanical properties of both the capsular ligament and anular fibres is most important in generating realistic FE models of the lumbar spine to predict motion segment biomechanics.

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ID Code: 13851
Item Type: Conference Paper
Refereed: Yes
Keywords: Finite element modelling, FE, biomechanics, spine, mechanical properties, motion segment
DOI: 10.2495/BIO070101
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > BIOMEDICAL ENGINEERING (090300) > Biomechanical Engineering (090302)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 2007 (please consult author)
Deposited On: 24 Jun 2008 00:00
Last Modified: 09 Jun 2010 13:00

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