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Table 1 material properties used to represent various components in the model

From: The biomechanical effect of the relevant segments after facet-disectomy in different diameters under posterior lumbar percutaneous endoscopes: a three-dimensional finite element analysis

Items

Elasticity modulus (Mpa)

Passion ratio

Cortical bone

12,000

0.3

Cancellous bone

100

0.3

Cartilago articularis

25

0.4

Nucleus pulposus

1

0.49

Fibrous rings

4.2

0.45

Anterior longitudinal ligaments

7.8

0.30

Posterior longitudinal ligaments

10

0.30

Ligamentum flavum

15

0.30

Intertransverse ligaments

10

0.30

Capsule ligament

7.5

0.30

Interspinous ligaments

10

0.30

Supraspinal ligaments

8

0.30