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Femoral kinematics with respect to the tibia (mean ± std). (a) F-E, A-P, and I-E are measured from mobile single-plane fluoroscopy and used as input to the FE models. (b) V-V, M-L, and S-I were not kinematically driven in the FE models and result from applied loads and geometrical conformity of the implant. Events for gait and stair descent: Heel-strike at 0% and 100% of cycle, toe-off at 60–65% of cycle, contralateral heel-strike at 50–55% of cycle.
