Research Article
A Finite Element Study on the Treatment of Thoracolumbar Fracture with a New Spinal Fixation System
Table 3
The material properties used in the finite-element model.
| Material | Young modulus E (MPa) | V Poisson ratio |
| Cortical bone/endplate | 12000 | 0.3 | Cancellous bone | 100 | 0.2 | Posterior arch | 3500 | 0.25 | Annulus fibrosus | 4.2 | 0.4 | Nucleus pulposus | 1 | 0.49 | Spinal instrumentation | 110000 | 0.3 |
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