In order to get a flatter stomach, a person should have a diet focused on healthy, low-fat foods. Find out how much cardiovascular exercise should be done to help achieve a flatter stomach with information from a fitness trainer in this free video on health and staying in shape. Expert: CarolAnn Contact: www.StudioGroupX.com Bio: CarolAnn has 19 years of professional fitness training experience and holds a master's degree in exercise science and health promotion. Filmmaker: Christopher Rokosz