|
The material properties of the finite element model
|
|---|
|
Component name
|
Young’s modulus(MPa)
|
Poisson’s ratio
|
Cross-section area(mm2)
|
|---|
|
Cortical bone
|
12,000
|
0.3
|
-
|
|
Cancellous bone
|
100
|
0.3
|
-
|
|
Cartilage
|
10
|
0.4
|
-
|
|
Bony endplate
|
1000
|
0.4
|
-
|
|
Nucleus pulposus
|
1
|
0.499
|
-
|
|
Annulus fibrosus
|
450
|
0.3
|
-
|
|
ALL
|
20
|
0.3
|
63.7
|
|
PLL
|
20
|
0.3
|
20
|
|
LF
|
19.5
|
0.3
|
40
|
|
ISL
|
11.6
|
0.3
|
40
|
|
SSL
|
15
|
0.3
|
30
|
|
TL
|
58.7
|
0.3
|
3.6
|
|
CL
|
32.9
|
0.3
|
60
|
- ALL anterior longitudinal ligament, PLL posterior longitudinal ligament, ISL interspinous ligament, SSL supraspinal ligament, CL capsular ligament, LF ligamantumflavum, TL transverse ligaments
