Table 1 A) Linear elastic material properties of model components [19] B) Ligament properties [20]
A | Component | Young’s modulus (MPa) | Poisson ratio |
|---|---|---|---|
Femoral component (CoCr) | 217000 | 0.3 | |
Inlay (PE) | 312.5 | 0.46 | |
Articular cartilage | 5.0 | 0.46 | |
B | Ligament | Stiffness (N/mm) | Reference strain at 15° of flexion |
LCL | 91.3 | 0.02 | |
MCL anterior | 27.9 | 0.02 | |
MCL oblique | 21.1 | 0.02 | |
MCL deep | 72.2 | 0.02 | |
PCL anterior | 125.0 | −0.10 | |
PCL posterior | 60.0 | −0.02 |