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Table 1 Material properties used in the finite element model

From: Biomechanical effects of interbody cage height on adjacent segments in patients with lumbar degeneration: a 3D finite element study

Materials Young’s modulus Poisson’s ratio
Cortical bone 12,000 0.3
Cancellous bone 100 0.3
Endplate 24 0.4
Annulus fibrosus 4.2 0.45
Nucleus pulposus 0.1 0.49
Cage 3600 0.25
Anterior longitudinal ligament 7.8 0.3
Posterior longitudinal ligament 10 0.3
Flaval ligament 15 0.3
Transverse ligament 10 0.3
Capsular ligament 7.5 0.3
Interspinous ligament 8 0.3
Supraspinous ligament 8 0.3