RT Journal Article SR Electronic T1 Commentary on “Relationship between hip strength and frontal plane posture of the knee during a forward lunge” 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 727 OP 727 DO 10.1136/bjsm.2007.040568 VO 41 IS 11 A1 Ivo Tiemessen YR 2007 UL http://bjsm.bmj.com/content/41/11/727.abstract AB