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- Discussion:
    - performed to correct equinus deformity at the ankle:
        - calcaneal (achilles) tendon is lengthened;
        - ankle joint capsule and all posterior tibiotalar, talofibular, & calcaneofibular ligaments are severed;
        - tibiofibular syndesmosis is released posteriorly;
        - FHL may require recession;
        - its often necessary to combine Posterior and Medial release may be necessary: called Posteromedial Release;
        - severe deformity of calcaneus may require tibialis transfer
        - this procedure must not be done until the adduction of forepart of foot & varus deformity of heel have been corrected completely;
        - complete posterior release consists of lengthening Achilles tendon, performing a posterior capsulotomy of tibiotalar & subtalar joints,
              and sectioning the posterior talofibular ligament and the calcaneofibular ligament