Table 2. Mean normalized values by strike height. Strike Force Arm Acc Pen Acc Chest .736 (.159) .562 (265) .650 (.214) Head .664 (.174)** .573 (.264) .498 (.233)** Effect size .43 .04 .68 ** denotes p < 0.01, respectively by ANOVA. Acc = acceleration, Pen = pendulum