Element Set | Young’s modulus (MPa) | Poisson’s Ratio (μ) |
---|---|---|
Cortical bone | 12,000 | 0.3 |
Cancellous bone | 100 | 0.2 |
Anulus | 4.2 | 0.45 |
Nucleus pulposus | 1.0 | 0.4999 |
Anterior longitudinal ligament | 15 | Â |
Posterior longitudinal ligament | 10 | Â |
Transverse ligament | 10 | Â |
Interspinous ligament | 10 | Â |
Supraspinous ligament | 8 | Â |
Ligamentum flavum | 15 | Â |
Capsular ligament | 7.5 | Â |
Cage (PEEK) | 3600 | 0.3 |
Cage (Titanium) | 110,000 | 0.3 |
Cage (Autologous bone) | 5000 | 0.29 |
Pedicle screws (Titanium) | 110,000 | 0.3 |
Rods (Titanium) | 110,000 | 0.3 |
Bone graft | 1940 | 0.3 |