RT Journal Article SR Electronic T1 Part I: Training Principles and Adaptive Responses 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 140 OP 147 DO 10.1136/bjsm.8.2-3.140 VO 8 IS 2-3 A1 Brooke, J. D. A1 Knowles, J. E. YR 1974 UL http://bjsm.bmj.com/content/8/2-3/140.abstract AB