Effect of special exercises according to the difficulty of the training unit on the physical abilities and the performance of 200m sprinters

The purpose of this study was to identify the effect special exercises according difficulty training unit on developing some physical abilities and achievement a 200-meter run. present had parallel group, experimental design. In study, 200m sprinters constituted population research community. conducted in clubs province Baghdad. A total 12 runners were recruited as sample for by intentional method. participants divided into group control using odd even Considering findings researchers concluded that adoption interval is useful develop performance sprinters.