If you happen to be among the those who do go to the gym, here is the excellent choice of workout to acquire a flat stomach.
This outstanding workout does not need any special equipment and it was designed by a well-known fitness trainer, Mike Chang.
You can practice at home or in the gym and the most important thing is to be motivated!
You can find 3 different workouts and each one is 30 seconds long with 3 reps.you do not have to take breaks, in between each repetition as well as between each exercise.
You can do all 3 exercises in under 5 minutes