Table 14. Maximum single punch force for the straight and hook punches, to head and body, of Senior England international amateur boxers. Force Straight lead to head Straight rear to body Straight rear to head Straight rear to body Lead hook to head Lead hook to body Rear hook to head Rear hook to body Absolute (N) XÌ„ 1722 1682 2643 2646 2412 2414 2588 2555 SD 700 636 1273 1083 813 718 1040 926 Relative(N·kg) XÌ„ 25 25 39 39 36 35 38 37 SD 9 8 17 15 11 9 13 12 Subject characteristics: n = 29, Means (±SD) age= 21 (2) yrs, height = 1.74 (.08) m, mass 67 (10) kg, over competition weight 6.2 (3.7) %.