title: Ball and socket ankle joint in metatarsus adductus varus. (S-shaped or serpentine foot).
mesh_terms: D000843:Ankle Joint; D001175:Arthrography; D002648:Child; D005528:Foot / Q000000981:diagnostic imaging / Q000601:surgery; D005532:Foot Deformities, Congenital; D006801:Humans; D007223:Infant; D007596:Joints / Q000002:abnormalities; D008297:Male; D008684:Metatarsus / Q000002:abnormalities*; D013628:Talus / Q000002:abnormalities*; D013639:Tarsal Bones / Q000002:abnormalities