Table 2.
The material properties used to model the bone and soft tissues. The bony material properties are based on human material properties taken from literature.
| Material | Young's Modulus (MPa) | Poisson's Ratio | Reference |
|---|---|---|---|
| Cortical Bone | 10000 | 0.30 | Kallemeyn et al.8 |
| Cancellous Bone | 450 | 0.25 | Kallemeyn et al.8 |
| Posterior Bone | 3500 | 0.25 | Kallemeyn et al.8 |
| Ligaments | Nonlinear (Hypoelastic) | 0.30 | DeVries20 |
| Nucleus | Fluid | – | Kallemeyn et al.8 |
| Annulus Grounds | Nonlinear (Yeoh Hyperelastic) | 0.45 | Fujita el al.25, Ambrosetti-Giudici et al. 29 |
| Annulus Fibers | Nonlinear (Hypoelastic) | 0.30 | Kallemeyn et al.8 |