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Table 1 Material properties and elements information of the model used in this study

From: Biomechanical response of lumbar facet joints under follower preload: a finite element study

Components name Young’s modulus (MPa) Poisson’s ratio Element type Element no.
Cortical bone 14000 0.30 Hex 2585
Cancellous bone 100 0.2 Tetra 129931
Posterior elements 3500 0.25 Tetra 250978
Endplate 10000 0.25 Hex 4921
Sacrum 5000 0.2 Tetra 200295
Facet cartilage Neo-Hookean, C10 = 2 Hex 7293
Annulus Mooney–Rivlin, C1 = 0.18, C2 = 0.045 Hex 6000
Nucleus pulpous Mooney–Rivlin, C1 = 0.12, C2 = 0.03 Hex 7200
Fiber Calibrated stress–strain curves Spring 14400
Ligament Calibrated deflection–force curves Spring 234