Congenital Tarsal Coalition

Congenital tarsal coalition is a fairly common disorder affecting approximately 1% of people with the onset of symptoms in the second decade of life. It is related to an abnormal union between two bones of the hind- and midfoot, causing restricted normal subtalar motion, flatfoot deformity, pain and other disturbances (Newman and Newberg 2000). The most commonly involved joints are the talocalcaneal and the calcaneonavicular, fusion at other sites (i.e., calcaneocuboid, cubonavicular) being... 

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