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Table 2 Element types and material properties

From: Does the optimal position of the acetabular fragment should be within the radiological normal range for all developmental dysplasia of the hip? A patient-specific finite element analysis

Material Element behavior Young’s modulus
E (MPa)
Poisson’s
ratio
Stiffness of spring
(N/mm)
Cortical bone Homogeneous, linear elastic, isotropic 17,000 0.3
Trabecular bone Homogeneous, linear elastic, isotropic 70 0.2
Articular cartilage Homogeneous, linear elastic, isotropic 15 0.45
Acetabular labrum Homogeneous, linear elastic, isotropic 15 0.45
Teres ligament Spring element 68 ± 25
Ischiofemoral ligament Spring element   39.6 ± 24.4
Pubofemoral ligament Spring element 36.9 ± 24.4
Inferior iliofemoral ligament Spring element 100.7 ± 54
Superior iliofemoral ligament Spring element 97.8 ± 67.5