Table 3 Comparison of parameters in the nonlinear model and linearized basic model
Element set | Modulus (MPa) in nonlinear model Modulus | Modulus (MPa) in linearized basic model |
|---|---|---|
Vertebral cortical bone | 12,000 | 12,000 |
Vertebral cancellous bone | 100 | 100 |
Posterior bone | 3500 | 3500 |
Endplate | 1000 | 1000 |
Arthrodial cartilage | 24 | 24 |
Annulus substance | Hyperelastic (Mooney–Rivlin) c1 = 0.56, c2 = 0.14 | 4.2 |
Nuclear pulposus | Hyperelastic (Mooney–Rivlin) c1 = 0.12, c2 = 0.09 | 1 |