Are you doing 500 sit-ups each day to develop your abdominal region? More importantly, are you getting results? Probably not. To get six-pack abs, it’s more than doing core workouts. You must not only exercise properly, but make other lifestyle changes. Getting a chiseled six-pack isn’t easy, but if you follow these six rules compiled with the help of Men’s Fitness, you will be looking for any excuse to take off your shirt and show off your washboard stomach.