The nucleus pulposus (NP) and the anulus fibrosus (AF) are the two main components of the intervertebral discs. At low deformation rates, in young and healthy adults, the NP reacts like an inviscid and incompressible fluid. Its internal pressure varies depending on the external forces acting on it. The AF surrounds the NP and, together with the vertebral endplates, they form a pressurized vessel.
- Bioengineering Division
Analytical Anisotropic Multi-Shell Model of a Simplified Intervertebral Disc Subjected to Axial Compression
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Demers, S, Nadeau, S, & Bouzid, A. "Analytical Anisotropic Multi-Shell Model of a Simplified Intervertebral Disc Subjected to Axial Compression." Proceedings of the ASME 2013 Summer Bioengineering Conference. Volume 1B: Extremity; Fluid Mechanics; Gait; Growth, Remodeling, and Repair; Heart Valves; Injury Biomechanics; Mechanotransduction and Sub-Cellular Biophysics; MultiScale Biotransport; Muscle, Tendon and Ligament; Musculoskeletal Devices; Multiscale Mechanics; Thermal Medicine; Ocular Biomechanics; Pediatric Hemodynamics; Pericellular Phenomena; Tissue Mechanics; Biotransport Design and Devices; Spine; Stent Device Hemodynamics; Vascular Solid Mechanics; Student Paper and Design Competitions. Sunriver, Oregon, USA. June 26–29, 2013. V01BT55A031. ASME. https://doi.org/10.1115/SBC2013-14830
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