Found this article on Yahoo! that says crunches do nothing to achieve a toned abs. Huwat???
I'm sure most of you ay katulad ko ng akala na it's the best way to contour the tummy area. Hindi pala? More importantly, it's bad for the spinal discs pala because of the strain it puts on the back. Push up daw is a better way because it works the whole body, including arms and legs, without straining the back.
For more info and reasons why crunching is not good for you, click here.
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