Flatten Belly by Sit Ups
August 31st, 2009 | 
They said that by doing sit up will help flatten the belly and all you need is a mattresses as one of the important thing to use in this kind of exercise. Usually you try around 15-20 on the first try to avoid back pain. If you don’t execute it properly then it will leave a muscle pain in a wrong side of your body. So if you have plan to do sit ups then do the right thing so you will hit the target area of your body to flatten
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