Popsugar Fitness Workouts The Best Ab Workouts The 20 Greatest Ab Workouts That Will Tone, Sculpt, and Strengthen Your Abs June 21, 2018 by Tamara Pridgett View On One Page Photo 20 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 20 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 WorkoutsStrength TrainingBodyweight WorkoutsAb WorkoutsCore ExercisesBeginner WorkoutsAb Exercises