NDLI: A Finite Element Investigation of a Functional Spine Unit in Conjunction With a Multi-Body Model of the Lumbar Spine for Impact Dynamics

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Esat, Volkan Acar, Memis
Copyright Year	2004
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.
Starting Page	563
Ending Page	569
Page Count	7
File Format	PDF
ISBN	079184174X
DOI	10.1115/ESDA2004-58527
e-ISBN	0791837416
Volume Number	Volume 2
Conference Proceedings	ASME 7th Biennial Conference on Engineering Systems Design and Analysis
Language	English
Publisher Date	2004-07-19
Publisher Place	Manchester, England
Access Restriction	Subscribed
Subject Keyword	Lumbar spine Multi-body model Fe model Finite element model Finite element analysis Dynamics (mechanics)
Content Type	Text
Resource Type	Article

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