Exercise load must be increased to cause improvement;however, no study has been conducted to evaluate the mosteffective means of increasing the exercise load safely inyoung children. Research suggests beginning the 10-weekexercise session with 50–60 jumps the first week andprogress to 90–100 jumps by the end of the 10-week session.If a once a week program is chosen, begin with 16 jumps thefirst week and progress to 60 jumps by the end of a 14-weeksession. A once a week low-intensity program results insmaller improvements in running and jumping ability