Increase in the Tibial Slope in Unicondylar Knee Replacement: Analysis of the Effect on the Kinematics and Ligaments in a Weight-Bearing Finite Element Model

Table 1

Overview of the material properties used in the FE simulation.

Deformable bodies (linear elastic)
Structure	Young’s modulus (MPa)	Poisson ratio	Structure	Young’s modulus (MPa)	Poisson ratio
Femoral component	210,000	0.3	Patella Cartilage	5.0	0.4
Inlay (UHMWPE)	312.5	0.46	Tibial Component	210,000	0.3
Ligaments (stiffness)
Structure	Initial strain	Stiffness (N/mm)	Structure	Initial strain	Stiffness (N/mm)
PCLa	-0.10	31.25	MCLa	0.02	27.9
PCLp	-0.02	15.0	MCLo	0.02	21.1
LCL	0.02	91.3	MCLs	0.02	72.2
ACLa	0.02	108.0	ACLp	0.02	108.0