A reactive strength index (RSI) was calculated as the ratio between jump height and ground contact time (RSI = jump height in cm/contact time in s) and interpreted as gross parameter indicative of DJ performance. Figure 1 shows a schematic diagram reflecting the sequence of measurements. ...
focused (i.e., how to prepare the task) and the goal-focused (i.e., how to execute the task) visual instructions in enhancing motor skills across late childhood during the execution of two complex motor tasks, such as the Precision Ball Throwing (PBT) and the Standing Long Jump (SLJ)...