I'm going to dispel six common myths that are exploited to sell an un-suspecting public expensive gadgets that they do not need.
Myth 1 - you get abs by doing ab exercises
This is the worst myth. For 95% of you, doing crunches, situps, or ab machines will NOT get you abs. You already HAVE abs, if you didn't your torso would be as limp as cooked spaghetti. The real problem is that your abs are hidden. To see a visible 6-pack you have to remove the fat that is covering your abs. Doing ab exercises will NOT remove this fat, only eating less and doing more cardio gets rid of the fat. Let me say that again, to get 6-pack abs you need to eat less and do more cardio! Grab the roll of skin/fat at your waist and pinch, how thick is it? If its more than 1/2", that fat is the reason you don't have a visible 6-pack!