TABLE 1.
Element type and number of the components in the intact model.
| Component | Element type | Young’s modulus (MPa) | Element number |
|---|---|---|---|
| Vertebra body | |||
| Cortical bone | C3D8R | 12,000 | 3,437 |
| Cancellous bone | C3D4 | 100 | 214,269 |
| Endplate | C3D8R | 24 | 6,336 |
| Posterior element | C3D4 | 3,500 | 366,252 |
| Facet cartilage | C3D8RH | Neo-Hookean | 6,495 |
| Disc | |||
| Annulus ground | C3D8RH | Mooney–Rivlin | 6,000 |
| Nucleus pulposus | C3D8RH | Mooney–Rivlin | 7,200 |
| Annulus fibers | Spring | Calibrated stress–strain curves | 14,400 |