Clubfoot is a deformity in which an infant's foot is turned inward so that the bottom of the foot faces sideways or even upward. Approximately one infant in every 1,000 live births will have clubfoot, making it one of the more common congenital (present at birth) foot deformities. If a child's clubfoot is not treated, the foot will remain deformed, and he or she will not be able to walk normally.