TY - JOUR T1 - Sports Sciences Society JF - British Journal of Sports Medicine JO - Br J Sports Med SP - 192 LP - 192 DO - 10.1136/bjsm.11.4.192 VL - 11 IS - 4 AU - John Kane AU - Vaughan Thomas Y1 - 1977/12/01 UR - http://bjsm.bmj.com/content/11/4/192.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -