A type of flat-foot characterized by hindfoot abductovalgus, metatarsus adductus, and Achilles tendon shortening. The predominant radiographic findings include forefoot adduction with lateral subluxation of the navicular on the talus and heel valgus. Very abnormal shoe wear is noted on the medial side. Calluses occur under the metatarsal heads and the head of the plantar-flexed talus. [from
HPO]