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Table 1 Material properties used for various components in the finite element model [14,15,16,17]

From: Design a novel integrated screw for minimally invasive atlantoaxial anterior transarticular screw fixation: a finite element analysis

Components Poisson’s ratio Young’s modulus (MPa) cross-sectional area(mm2) Reference
Cortical bone 0.2 15000 [14]
Cancellous bone 0.2 500 [14]
Anterior longitudinal ligament 0.3 30 6 [15]
Posterior longitudinal ligament 0.3 20 5 [15]
Inter spinous ligament 0.3 10 5 [15]
Ligamentum flavum 0.3 10 5 [15]
Alar ligament 0.3 5 22 [15]
Transverse ligament 0.2 20 [15]
Nuchal ligament 0.2 20 10 [15]
Supraspinous ligament 0.3 10 10 [15]
Capsular ligament 0.3 10 46 [16]
Screw and rod 0.3 110000 [17]