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Table 1 Material properties of implant components

From: Biomechanical comparison of multilevel lateral interbody fusion with and without supplementary instrumentation: a three-dimensional finite element study

  Elastic modulus
(MPa)
Poisson’s ratio
ν
Cross-sectional
Area (mm2)
Cortical bone of vertebral body 12000 0.3 /
Cancellous bone of vertebral body 100 0.2 /
Pedicle 3500 0.25 /
Facet joints 15 0.45 /
Endplate 24 0.25 /
Nuclear pulposus 1 0.499 /
Annulus fibrosus 4.2 0.45 /
Fibers of Annulus fibrosus 175 / 0.76
Anterior longitudinal ligament 7.8 / 63.7
Posterior longitudinal ligament 1 / 20
Ligamentum flavum 1.5 / 40
Capsular ligaments 7.5 / 30
Intertransverse ligaments 10 / 1.8
Interspinous ligaments 1 / 40
Supraspinous ligaments 3 / 30