Quote:
Originally Posted by Bonnie
You can flatten your stomach from your diet and do some sprints, sprints are one of the best exersises to tighten your abs, start out doing 30 second sprints every two minutes for 25 min.

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Not wanting to piss anyone off but strong abs and lower back help with running but sprint is legs and cardio exercise. The only way to get a flat stomach is to strengthen upper/lower abs, obliques and most important reduce your body fat to a % to a point which would allow them to start to show.