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 5 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Slim Your Waist With the 13 Best Side Plank Variations Stop doing the same side plank over and over, and mix it up with these 13 side plank variations. Previous Next Start Slideshow WorkoutsStrength TrainingBodyweight WorkoutsAb WorkoutsCore ExercisesBeginner WorkoutsAb Exercises