Crunches alone will not make a flat stomach, because spot reduction isn't possible, but spot training can be helpful. Discover how to achieve flat abs through exercise, diet and cardio with help from a professional trainer in this free video on exercise and fitness.
How to Do Crunches for a Flat StomachBy Carol Ann
About the Author
Carol Ann has more than 19 years of professional fitness training experience and holds a Master's Degree in exercise science and health promotion.