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How to Properly Do a Standard Crunch for Strong Abs

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By John Smith, published May 18, 2007
How to properly do a standard crunch for strong abs

Credit: cp
Copyright: cp
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lol dude u bend ur neck and i got proper abs and ive witnessed injuries and your heading for 1 please please dont bend your neck and look up kk cya

Posted on 05/30/2008 at 3:05:53 PM

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