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Computational biomechanics of a lumbar motion segment in pure and combined shear loads |
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| Authors: | Hendrik Schmidt Maxim Bashkuev Marcel Dreischarf Antonius Rohlmann Georg Duda Hans-Joachim Wilke Aboulfazl Shirazi-Adl |
| Affiliation: | 1. Julius Wolff Institut, Charité – Universitätsmedizin Berlin, Berlin, Germany;2. Institute of Orthopaedic Research and Biomechanics, University of Ulm, Ulm, Germany;3. École Polytechnique, Montréal, Canada |
| Abstract: | Anterior shear has been implicated as a risk factor in spinal injuries. A 3D nonlinear poroelastic finite element model study of a lumbar motion segment L4-L5 was performed to predict the temporal shear response under various single and combined shear loads. Effects of nucleotomy and facetectomy as well as changes in the posture and facet gap distance were analyzed as well. |
| Keywords: | Intervertebral disc Shear load Finite element analysis Poroelastic |
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