Table 1 Material properties of implant components
|  | Elastic modulus (MPa) | Poisson’s ratio ν | Cross-sectional Area (mm2) |
|---|---|---|---|
Cortical bone of vertebral body | 12000 | 0.3 | / |
Cancellous bone of vertebral body | 100 | 0.2 | / |
Pedicle | 3500 | 0.25 | / |
Facet joints | 15 | 0.45 | / |
Endplate | 24 | 0.25 | / |
Nuclear pulposus | 1 | 0.499 | / |
Annulus fibrosus | 4.2 | 0.45 | / |
Fibers of Annulus fibrosus | 175 | / | 0.76 |
Anterior longitudinal ligament | 7.8 | / | 63.7 |
Posterior longitudinal ligament | 1 | / | 20 |
Ligamentum flavum | 1.5 | / | 40 |
Capsular ligaments | 7.5 | / | 30 |
Intertransverse ligaments | 10 | / | 1.8 |
Interspinous ligaments | 1 | / | 40 |
Supraspinous ligaments | 3 | / | 30 |