Will sit-ups help prevent me from getting a little soft around the middle?
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送交者: AI 于 2006-10-19, 10:24:21:
回答: I've heard that cardiovascular exercise can prolong life; is this true? 由 AI 于 2006-10-19, 09:58:15:
Answer: Definitely not! When you exercise a muscle, it gets bigger. You should only be doing sit-ups if you want a bigger stomach.
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