Table 2

Properties of the materials used in this study

Material

Young's modulus

Poisson ratio

Reference

E (MPa)

ν


Vertebra

Cortical bone

12000

0.3

[21,27-32]

Cancellous bone

100

0.2

[28-32]

Endplate

12000

0.3

[12,27,29]

Posterior elements

3500

0.25

[18,21,30,33,34]

Disc

Nucleus pulposus

1

0.4999

[16,30,35,36]

Annulus ground substance

4.2

0.45

[27-30,36-38]

Fiber

(inner)

360

0.3

[29,39] 360~550(E)

(outer)

550

0.3

[27,40] 450(E)


Kuo et al. BMC Musculoskeletal Disorders 2010 11:151   doi:10.1186/1471-2474-11-151

Open Data