Fig. 2From: The Ali Krogius procedure for treatment of patellofemoral instability should be regarded as obsolete even in skeletally immature patientsIntraoperative demonstration of the Ali Krogius method. A: Undermining the Quadriceps. B: Pedunculated retinaculum strip. C: Lateralization of the retinacular strip. D: Fixed, medialized patella after the Ali Krogius procedureBack to article page