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 ...
Dear Dr. Donohue: I love volleyball, but I am far from the best player on my team. I’d be a lot better if I could jump higher. What kind of exercise can make me a better jumper? I am a girl, if that ...
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