MATEC Web Conf.
Volume 254, 2019XXIII Polish-Slovak Scientific Conference on Machine Modelling and Simulations (MMS 2018)
|Number of page(s)||8|
|Section||Modelling and Simulation, Structural Optimization|
|Published online||15 January 2019|
New model of lumbar spine biomechanics with the use of simulation analysis
Poznań University of Medical Sciences, Department of Spondyloorthopedics and Biomechanics of the Spine, Wiktor Dega Orthopedic Rehabilitation Clinical Hospital, 28 Czerwca 1956 r. Str. 135/147, 61-545 Poznań, Poland
2 Poznan University of Technology, Chair of Basics of Machine Design, Piotrowo Str. 3, Poland
* Corresponding author: firstname.lastname@example.org
The existing biomechanical models of the lumbo-sacral spine do not explain the role of the dorsal extensor muscle and fascia. The study attempts to explain the action of paraspinal muscles based on the mechanism of contraction and “hydro skeleton”. It was assumed that the muscle contracting produces hydrostatic pressure and in this way is able to resist and transfer loads. In this mechanism, inside ventricular pressure can modify the load transfer through the spine. To confirm the hypothesis discussed above, a simplified simulation model of the lumbar spine was built. For this purpose, scientific software named ABAQUS, using finite element methods was used. The model of the spine was mainly a kinematic model aimed at reflecting the impact of the spinal muscle function on lumbar lordosis.
Key words: lumbar spine / model of lumbar spine / lumbar lordosis / biomechanics / simulation
© The Authors, published by EDP Sciences, 2019
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