the most talked about body part of them all is the 6 pac or abdominals for the proper term. and there never seems to be one answer that will tell you how to build them. Well even that statement is false, because the fact is that every one has a 6 pac, it's just covered with a layer of fat.

the key things you will need are

A good fat free diet, less carbs

Good ab exercises

And hard work

but this article goes into the specifics of the exercises from actual experience from some one who has a 6 pac