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Table 1 Finite element model material properties

From: Biomechanical effects of metastasis in the osteoporotic lumbar spine: A Finite Element Analysis

  Elastic Modulus (MPa) Poisson’s Ratio
Vertebra
 Cancellous Bone 100 0.2
 Cortical Bone 12,000 0.3
 Vertebral Bony Endplate 4000 0.3
 Cartilage Endplate 5 0.17
 Posterior Bone 3500 0.25
Intervertebral Disc
 Nucleus Polposus 1 0.49
 Annular Fibers Neo-Hooke  
 Annular Layers Neo-Hooke  
Joint
 Facet Joints 3500  
Ligaments
 Anterior Longitudinal 15.6–20.0 0.3
 Posterior Longitudinal 10.0–20.0 0.3
 Intertransverse 12–58.7 0.3
 Ligamentum Flavum 13.0–19.5 0.3
 Interspinous 9.8–12.0 0.3
 Supraspinous 8.8–15.0 0.3
 Capsular 7.5–33.0 0.3
Metastasis
 Lytic Bone Metastasis 0.01 0.4995