DEAR DR. DONOHUE I play volleyball from sunrise to sunset. I am quite good, but my jump leaves much to be desired. What exercises can I do to improve it? If I could jump higher, I would be a true star ...
The jumping jack is an effective way to stimulate all the vital muscles of your body. It is a full-body exercise used in cardio and warm-up sessions. Jumping jacks include resistance and aerobic ...
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