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.

MaterialYoung modulus E (MPa)V Poisson ratio

Cortical bone/endplate120000.3
Cancellous bone1000.2
Posterior arch35000.25
Annulus fibrosus4.20.4
Nucleus pulposus10.49
Spinal instrumentation1100000.3