A, Placement of lateral and medial incisions for complete posterior knee release. B, Lateral exposure: a, knee wire axis; b, sectioned iliotibial band; c, transected lateral gastrocnemius tendon; d, cut edge of posterior knee capsule; e, extension anteriorly to posterior half of the lateral collateral ligament; f, common peroneal nerve. C, Medial exposure: a, knee wire axis; b, transected semitendinosus and gracilis tendons; c, transected medial gastrocnemius tendon; d, cut edge of posterior knee capsule; e, extension anterior to posterior half of the medial collateral ligament. D, Fixation of the proximal tibial Ilizarov ring. (Redrawn from van Bosse HJP, Feldman DS, Anavian J, Sala DA: Treatment of knee flexion contractures in patients with arthrogryposis, J Pediatr Orthop 27:930, 2007.) SEE TECHNIQUE 34.42.