Table 1 Features of tissues and materials
Tissues and materials | Elastic modulus(MPa) | Poisson’s ratio |
|---|---|---|
Cortical bone | 10,000.00 | 0.29 |
Cancellous bone | 100.00 | 0.29 |
Posterior structure | 3500.00 | 0.29 |
Endplate | 5.00 | 0.40 |
Annulus fibrosus | 2.50 | 0.40 |
1.50 | 0.49 | |
Anterior longitudinal ligament | 15 | – |
Posterior longitudinal ligament | 10 | – |
Interspinal ligament | 2 | – |
Ligamentum flavum | 5 | – |
Capsular ligament | 7 | – |
Steel plate | 11,0000.00 | 0.30 |
Screw | 11,0000.00 | 0.30 |
Bone graft | 3500.00 | 0.30 |