Popsugar Health & Fitness Workouts The Best Ab Workouts The 20 Greatest Ab Workouts That Will Tone, Sculpt, and Strengthen Your Abs 6 June 2018 by Tamara Pridgett View On One Page Photo 18 of 18 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 18 Rock Your Core With This 20-Minute Workout If you have a thing for circuit training, you're going to love this 20-minute bodyweight ab workout. Previous Next Start Slideshow Bodyweight WorkoutsCore ExercisesAb WorkoutsStrength TrainingWorkoutsAb Exercises