If You want have flat stomach You must do suitable exercises. You try this 10 minutes training. You do 55 seconds workout and 5 seconds rest and You have to do 10 exercises. These exercises are: Outside crunch taps, Through crunches, Running sit ups, Cross sandal crunch, Spiderman crunch, Sit-up, Ankle touch, Heel taps, Reverse crunches, Plank.
