Peroneal spastic flat foot is most often caused by intertarsal fusions and of these the most important are medial talocalcaneal bridge and calcaneonavicular bar. In most cases the tarsal anomaly is easy to demonstrate by appropriate roentgenographic technique. Rudimentary forms of the medial talocalcaneal bridge are less easy to recognize because the roentgenographic findings are not quite so characteristic as is the case in complete medial talocalcaneal bridge. In such instances a medial operative approach will often demonstrate a rudimentary form of bridge.
More knowledge of this problem is still required. Every opportunity should be utilized to determine the exact cause in every case of peroneal spastic flat foot which comes to operation. If the lesion is medial talocalcaneal bridge, or one of its variants, the operations should be performed from the medial side to determine the exact nature of the lesions as well as to facilitate the corrections of the valgus deformity.
Copyright 1965 by The Journal of Bone and Joint Surgery, Incorporated