title: Knock knees, in-toeing and other common problems.
mesh_terms: D002648:Child; D002675:Child, Preschool; D005413:Flatfoot / Q000628:therapy; D005531:Foot Deformities, Acquired / Q000209:etiology / Q000628:therapy; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007592:Joint Diseases / Q000209:etiology / Q000628:therapy; D007719:Knee Joint; D011187:Posture; D012890:Sleep