Xrays are of a poor help in the diagnosis of the deformities of the foot in the neonate. As a modern imagying, ultrasounds allow to show the cartilaginous frames and also the soft-tissues. Some special views are used which can give interesting informations about the abnormal connexions of the hindfoot and also the midtarsal joint. This procedure is also used for the follow up during the treatment in order to appreciate its efficiency.