RT Journal Article SR Electronic T1 SportsMedUpdate 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 691 OP 692 DO 10.1136/bjsm.2010.076174 VO 44 IS 9 A1 Schwellnus, Martin P YR 2010 UL http://bjsm.bmj.com/content/44/9/691.abstract AB