title: Bilateral stress fractures of the tarsal navicular with associated avascular necrosis in a pole vaulter.
authors.affiliation: Gundersen Medical Foundation, La Crosse, WI, USA.
authors.forename: P E
authors.initials: PE
authors.lastname: Helstad
authors.forename: J B
authors.initials: JB
authors.lastname: Ringstrom
authors.forename: B B
authors.initials: BB
authors.lastname: Erdmann
authors.forename: P M
authors.initials: PM
authors.lastname: Jacobs
authors.forename: M E
authors.initials: ME
authors.lastname: Julsrud
mesh_terms: D000328:Adult; D018409:Foot Injuries / Q000175:diagnosis* / Q000601:surgery; D015775:Fractures, Stress / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D010020:Osteonecrosis / Q000175:diagnosis* / Q000209:etiology / Q000601:surgery; D014142:Track and Field / Q000293:injuries*