The more you exercise, the more you use fat as an energy source !
Athletes in endurance sports (marathon, cycling or biathlon) use, at equal calorie, more fat than carbohydrates when compared to people moderately fit. This is an interesting effects of regular physical activity. The organization has to focus more and more fat as fuel, saving carbohydrates (including reserves in the body are limited, do not forget) for intense efforts and emergency situation
some exercises for belly fat :
armouring ( board)
simple and very effective exercise, it can be done at home without any special equipment. Lean on the elbows, in "board", legs straight, on tiptoe, parallel to the floor. Hold out your midsection and contract your glutes. Caution: Do not arch, do not lift the buttocks, stay well to the horizontal gaze to the floor.
squats
Squats are also perfect for finding a toned stomach. If they request a lot buttocks, they also have the advantage of working with many other muscles including the abdominal muscles and back. A full year therefore, and ideal to sculpt a mermaid silhouette.