Traumatic rupture of the tibialis posterior tendon after closed ankle fractures: A report of two cases

Summary We report two cases of posttraumatic complete rupture of the tibialis posterior tendon that occurred during closed fractures of the medial malleolus. A low located fracture of the medial malleolus and an intense forced pronation, external rotation and dorsiflexion of the foot have been involved in the physiopathogeny of that rupture. At each intervention, the tibialis posterior tendon had been disrupted above the upper edge of the groove of the medial retinaculum of the ankle. After tendon suture concomitant with osteosynthesis, the evolution was favourable. Failing to appreciate this tendon rupture, although rare, can be at the origin of residual pains and a functional deficit of foot reversion.