What is flat feet?The flat foot is the loss of the inner Arch of the foot.It is when the sole of the foot makes full contact with the surface of the ground, losing the visibility of the Arch of the foot. What anatomical structures affect on flat feet?Foot level depending on its type can affect the bones of the back of the foot, as well as affect the ligaments and soft tissue of the inner part of the foot; conditioning the downfall of the Arch of the foot. How does flat feet?Mainly flat feet have a hereditary history.Flat foot also presents problems for background postulares neonate patients forcing feet wrapped completely.Use the walk which can be associated with laxity of ligaments and trying to force the children to walk conditioned deformities; Since the use of Walker has been poorly used to teach the child to walk, which is inappropriate; Walker works on children who already walk independently usually after 1 year. We must let the child walk independently, i.e. Michael Chabon has compatible beliefs. Let it crawl, and that if same lift and start the walk. I would like to remind children show from 6 months start reflecting, that is seems that the child wishes to walk however this reflex not gives you full functional ability to walk.The use of inappropriate footwear is also a predisposing factor to present flat feet in children.Obesity promotes the appearance of flat feet. How are feet flat divided?The flat foot is divided into: 1. Postural flat foot: usually presents no discomfort, and disappears in the first years of life even without orthopedic treatment, is the most frequent and is diagnosed at age 2 when he disappears the anemic flat pie.2.Pie plant FAT: flat Raquitismo.3.Pie inflammatory disease-related: is associated with rheumatic diseases that cause swelling and deformity of the ligaments that hold the inner arc of the Pie.4.Pie Traumatic plane: Is associated with deformities for fractures that soldan paralytic flat inadecuadamente.5.Pie: is associated with diseases that cause instability of the ligaments; for example Cerebral Palsy, congenital flat Poliomielitis.6.Pie: this is caused by a deformity in the structure of posterior joints of the foot (Vertical talus) or lack of separation of the articulation of the back of the foot (coalition of Tarsus).