Spot reduction is a myth, no matter how you look at it...in order to lose weight (in most of our goals, fat) you must be under your daily maintenance for calories... now, theres no way to target specifically where the lost weight will come from, you cant expect to do a million situps and get abs from a flabby tummy. But you can expect to lose x amount of calories from a million situps, and if it puts your under your maintenance you will lose weight...