A Finite element investigation of a functional spine unit in conjunction with a multi-body model of the lumbar spine for impact dynamics

Volkan Esat, Memis Acar

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this study, the finite element (FE) technique was used in conjunction with multi-body modelling to simulate and analyse the dynamic behaviour of the spinal segments in order to investigate the effects of impact loadings on the lumbar spine. A 3-D multi-body model of the lumbar spine and an FE model of the L2-L3 motion segment were developed. Both models were validated for flexion and compression loadings, showing good agreements with a previously validated lumbar spine model. The predictions of the multi-body model under dynamic impact loading conditions such as reaction forces at lumbar motion segments were employed as force boundary conditions for the finite element model of the selected functional spine unit (FSU). Stress and pressure in the intervertebral disc element and the reaction force at a specific vertebral level were presented. This approach has the potential to more realistically simulate the dynamics of spinal segments and whole spine, and study the effects on spinal elements.

Original languageEnglish
Title of host publicationProceedings of the 7th Biennial Conference on Engineering Systems Design and Analysis, ESDA 2004
PublisherAmerican Society of Mechanical Engineers (ASME)
Pages563-569
Number of pages7
ISBN (Print)0791841731, 9780791841730
DOIs
Publication statusPublished - 2004
Externally publishedYes
EventProceedings of the 7th Biennial Conference on Engineering Systems Design and Analysis - 2004 - Manchester, United Kingdom
Duration: 19 Jul 200422 Jul 2004

Publication series

NameProceedings of the 7th Biennial Conference on Engineering Systems Design and Analysis, ESDA 2004
Volume2

Conference

ConferenceProceedings of the 7th Biennial Conference on Engineering Systems Design and Analysis - 2004
Country/TerritoryUnited Kingdom
CityManchester
Period19/07/0422/07/04

Keywords

  • FE model
  • Lumbar spine
  • Multi-body model

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