PT - JOURNAL ARTICLE AU - Martin P Schwellnus TI - SportsMedUpdate AID - 10.1136/bjsm.2010.076182 DP - 2010 Aug 01 TA - British Journal of Sports Medicine PG - 767--770 VI - 44 IP - 10 4099 - http://bjsm.bmj.com/content/44/10/767.short 4100 - http://bjsm.bmj.com/content/44/10/767.full SO - Br J Sports Med2010 Aug 01; 44