Ober anterior transfer of posterior tibial tendon. A, Insertion of posterior tibial tendon has been exposed. Note line of skin incision over muscle. B, Tendon has been freed from its insertion, and muscle has been dissected from tibia. C, Tendon and muscle have been passed through anterior tibial compartment to dorsum of foot, and tendon has been anchored in third metatarsal. SEE TECHNIQUES 34.7 AND 34.8.