Aside from feeling ridiculous (I'm a klutz and would no doubt trip over the bag and fall off the treadmill), it really does nothing for fat loss. You will temporarily lose water, though. Be careful, dehydrating yourself is extremely dangerous especially if you are exerting yourself!
I definitely would not do this, even to lose a few lbs of water weight that will come back when you start drinking fluids again. I mean, the point of it is to lose weight before a competition and the athletes know fully that they will gain back every ounce in a matter of hours/days.
Last edited by junebug41; 12-04-2010 at 02:19 PM.
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