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3 answers

Maybe. Try not to strain too much, and don't overdo it.

2007-03-02 17:23:29 · answer #1 · answered by Anonymous · 0 0

It's because your muscles are contracting from the exertion. Your whole body shakes when you're not yet used to it.

2007-03-02 17:29:15 · answer #2 · answered by Mimi 2 · 0 0

its probably cause your out of shape

2007-03-02 17:41:40 · answer #3 · answered by jdcorvettelover 3 · 0 0

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