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Table 1 Material property of spinal components

From: Analysis and improvement of the three-column spinal theory

Material Young’s Modulus (MPa) Poisson’s Ratio Area (mm2) Element type Element numbers
Cortical bone 12,000.00 0.30 C3D4 340,465
Cancellous bone 100.00 0.20 C3D4 413,282
Endplate 25.00 0.25 C3D8R 46,849
Nucleus pulposus 0.20 0.49 C3D8R 84,761
Annulus ground substance 4.00 0.40 C3D8R 163,585
Annulus fiber 4.20 0.45 truss 726
Anterior longitudinal ligaments 20.00 0.30 63.70 spring 30
Posterior longitudinal ligaments 20.00 0.30 20.00 spring 30
Intertransverse ligament 58.70 0.30 3.60 spring 30
Ligamentum flavum 19.50 0.30 40.00 spring 30
Interspinous ligament 11.60 0.30 40.00 spring 12
Supraspinous ligament 15.00 0.30 30.00 spring 3
Capsular ligament 32.90 0.30 60.00 spring 30