Preliminary measurements of lumbar spine kinematics and stiffness

Jirková, L., Horák, Z., Sedláek, R., Tichý, P., Michalec, J., Weichert, D. and Stoffel, M. (2007). Preliminary measurements of lumbar spine kinematics and stiffness. In: Martin Veidt, Faris Albermani, Bill Daniel, John Griffiths, Doug Hargreaves, Ross McAree, Paul Meehan and Andy Tan, Proceedings of the 5th Australasian Congress on Applied Mechanics (ACAM 2007). 5th Australasian Congress on Applied Mechanics (ACAM 2007), Brisbane, Australia, (770-774). 10-12 December, 2007.

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P2.6.pdf Session P2.6: lumbar spine kinematics: Jirková papers application/pdf 985.53KB 1084
Author Jirková, L.
Horák, Z.
Sedláek, R.
Tichý, P.
Michalec, J.
Weichert, D.
Stoffel, M.
Title of paper Preliminary measurements of lumbar spine kinematics and stiffness
Conference name 5th Australasian Congress on Applied Mechanics (ACAM 2007)
Conference location Brisbane, Australia
Conference dates 10-12 December, 2007
Proceedings title Proceedings of the 5th Australasian Congress on Applied Mechanics (ACAM 2007)
Place of Publication Brisbane
Publisher Engineers Australia
Publication Year 2007
Year available 2008
Sub-type Fully published paper
ISBN 0 8582 5862 5
Editor Martin Veidt
Faris Albermani
Bill Daniel
John Griffiths
Doug Hargreaves
Ross McAree
Paul Meehan
Andy Tan
Volume 1
Start page 770
End page 774
Total pages 5
Collection year 2007
Language eng
Abstract/Summary The purpose of the presented study was the experimental measurement of lumbar spine stiffness and its range of motion. The dependence of torsion moment of lumbar spine segment on deflection of flexion, extension and torsion was observed during experiments. Stiffness of spine segment was determined from measured data. Human lumbar spine was used for verification of the experimental technique. The sample consisted of one lumbar vertebrae composed by five vertebral bodies and four intervertebral discs. All muscles were removed, however all ligaments were preserved. Experiments were ca rried out on the test system MTS 858.2 MiniBionix, where loading by axial force and torsion moment is possible at the same time. Special Modular Bionix Spine Test Fixator, attached to the test system was used for the measurements. Loading was controlled kinematically (gradual turning) by keeping the axial force equal zero. Measurement was timedependent. The results of these experiments are going to be used as input data for creating a model of artificial lumbar spine and new type of artificial disc replacement.
Subjects 290501 Mechanical Engineering
Keyword spine
lumbar
artificial
kinematics
stiffness
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Unknown

 
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Created: Thu, 13 Mar 2008, 10:33:55 EST by Laura McTaggart on behalf of School of Engineering