PT - JOURNAL ARTICLE AU - D A Gorard TI - Effort thrombosis in an American football player. AID - 10.1136/bjsm.24.1.15 DP - 1990 Mar 01 TA - British Journal of Sports Medicine PG - 15--15 VI - 24 IP - 1 4099 - http://bjsm.bmj.com/content/24/1/15.short 4100 - http://bjsm.bmj.com/content/24/1/15.full SO - Br J Sports Med1990 Mar 01; 24 AB - A case of lower limb venous thrombosis occurring in a young male after playing American football is described. The features are compared to the more widely recognized effort thrombosis of the upper limb veins. The possibility of effort thrombosis needs to be considered in athletes presenting with leg injuries.