From: A finite element analysis on comparing the stability of different posterior fixation methods for thoracic total en bloc spondylectomy
Young’s modulus (MPa)
Poisson’s ratio
Cortical bone
12,000
0.3
Cancellous bone
100
0.2
Posterior bony unit
3500
0.25
Cartilage endplate
4000
Annulus fibrosus
4.2
0.45
Nucleus pulposus
1.0
0.4999
Titanium alloy
108,000