Killer Ab Challenge, Intense 20 Minute Extreme Abs At Home Workout For Women September 21, 2017September 21, 2017 admin video You may also be interested in: 30-Minute Full-Body Workout to Burn Calories | Get Fit 2015 Challenge Killer 7 Min Ripped Abs Workout — For Women and Men Full Body Workout for Women – 20 Minute Home Exercise – At Home With No Equipment Intense Abs Workout Routine – 10 Mins Flat Stomach Exercise