RT Journal Article SR Electronic T1 Displaced stress fracture of the femoral neck in an active amenorrhoeic adolescent. JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP 70 OP 72 DO 10.1136/bjsm.31.1.70 VO 31 IS 1 A1 F S Haddad A1 S Bann A1 R A Hill A1 D H Jones YR 1997 UL http://bjsm.bmj.com/content/31/1/70.abstract AB Female athletes in endurance sports are at risk of osteoporosis which predisposes them to femoral neck stress fractures. These require early diagnosis and treatment to avoid catastrophic consequences.