PT - JOURNAL ARTICLE AU - R. G. Hackney TI - Sports Medicine AID - 10.1136/bjsm.28.1.63 DP - 1994 Mar 01 TA - British Journal of Sports Medicine PG - 63--63 VI - 28 IP - 1 4099 - http://bjsm.bmj.com/content/28/1/63.1.short 4100 - http://bjsm.bmj.com/content/28/1/63.1.full SO - Br J Sports Med1994 Mar 01; 28