Fig. 6From: Parametric finite element model of medial patellofemoral ligament reconstruction model development and clinical validationCase # 3 Surgical failure: a Contact pressure (MPa) on the patellar cartilage L = Lateral M = Medial. b One can see that the graft is preserved; however, the orientation is too oblique and extremely vertical. c Parametric model of patient # 3. d Arthroscopy at the time of the revision surgery shows normal patellofemoral cartilageBack to article page