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Table 1 Material properties of spine structures

From: Finite element mechanical analysis of ipsilateral approach and contralateral approach in unilateral bilateral endoscopic spine surgery

Structure

Young’s modules (MPa)

Poisson ratio

Cortical

12,000

0.30

Cancellous

100

0.20

Cartilages

10

0.4

Annulus

4.2

0.45

Endplates

24

0.25

Nucleus

1

0.49

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X