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Old 04-12-2007, 09:50 AM   #11
spanishdoll
I could get used to this!
 
Join Date: Sep 2004
Location: Mexico
Posts: 138
I'm curious as to how 30 minutes of cardio is too much? I know that if you do too much it will burn muscle, but I was under the impression that we were talking more like 1 hour of cardio. 30 minutes seems like a normal session to me.
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