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Table 1 Material parameters used in the finite element model

From: Compression-distraction reduction surgical verification and optimization to treat the basilar invagination and atlantoaxial dislocation: a finite element analysis

Tissue structure Young’s modulus of elasticity Poisson’s ratio Thickness (mm)
Cortical bone 12,000 0.3 1
Spongy bone 250 0.29  
Intervertebral disc 500 0.45  
Cartilage C0–C1 10.4 0.4 0.065
Cartilage C1–C2 10.4 0.4 0.13