Schematic view of 3-in-1 procedure: 1, lateral release; 2, vastus medialis muscle advancement; 3, transfer of medial third of patellar tendon to medial collateral ligament, sutured using two metal anchor sutures. (Redrawn from Oliva F, Ronga M, Longo UG, et al: The 3-in-1 procedure for recurrent dislocation of the patella in skeletally immature children and adolescents, Am J Sports Med 37:1814, 2009.) SEE TECHNIQUE 36.33.