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Table 1 Definition of mechanical properties of tissues in the knee model

From: A novel protection liner to improve graft-tunnel interaction following anterior cruciate ligament reconstruction: a finite element analysis

Tissue Material type Mechanical parameters
Bone Isotropic elastic Young’s modulus = 0.4 GPa, Poisson’s ratio v = 0.33
Cartilage Isotropic elastic Young’s Modulus = 5 MPa, Poisson’s ratio v = 0.46
Menisci Orthotropic elastic Eθ = 125 MPa, ER = EZ = 27.5 MPa, GθR = GθZ = 2 MPa, GRZ = 10.34, VθR = VθZ = 0.1, VRZ = 0.33
ACL Isotropic hyperelastic Veronda-Westmann: α = 0.3 MPa, β = 12.20
PCL Isotropic hyperelastic Veronda-Westmann: α = 0.18 MPa, β = 17.35
MCL and LCL Isotropic hyperelastic Mooney-Rivlin: C1 = 30.1 MPa, C2 = − 27.1 MPa