Table 1 Material properties used in the finite element model
Materials | Young’s modulus | Poisson’s ratio |
|---|---|---|
Cortical bone | 12,000 | 0.3 |
Cancellous bone | 100 | 0.3 |
Endplate | 24 | 0.4 |
Annulus fibrosus | 4.2 | 0.45 |
Nucleus pulposus | 0.1 | 0.49 |
Cage | 3600 | 0.25 |
Anterior longitudinal ligament | 7.8 | 0.3 |
Posterior longitudinal ligament | 10 | 0.3 |
Flaval ligament | 15 | 0.3 |
Transverse ligament | 10 | 0.3 |
Capsular ligament | 7.5 | 0.3 |
Interspinous ligament | 8 | 0.3 |
Supraspinous ligament | 8 | 0.3 |