title: Incongruity of the first metatarsophalangeal joint. The effect on cartilage contact surface area.
mesh_terms: D002356:Cartilage / Q000473:pathology*; D006215:Hallux Valgus / Q000473:pathology / Q000601:surgery; D006801:Humans; D008683:Metatarsophalangeal Joint / Q000473:pathology*; D014033:Toe Joint / Q000473:pathology*