Flat abs Workout for a Slim Waist is a supercharged, core-strengthening abdominal workout that was created to burn fat, activate the core, and engage all of the muscles of the abs to flatten the midsection, shrink the waistline, and uncover lean definition. Start down the path to 6-pack abs with Fitness Expert, Amanda as she coaches you through this fast-paced tummy-flattening circuit.
