Popsugar Fitness Workouts 4-Move Ab Workout If You Want to See Ab Definition, Try This Trainer's Quick 4-Move Workout August 23, 2018 by Tamara Pridgett View On One Page Photo 1 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Reverse Crunch Lying on your back, lift your legs in the air with your knees bent. Place your hands on the floor beside you. Without momentum, use your lower abs to slowly curl the hips off the floor and into your chest. Slowly lower them back to the starting position. This counts as one rep. Complete three reps of 12 exercises. Previous Next Start Slideshow WorkoutsStrength TrainingAb Workouts10-Minute WorkoutsIntermediate WorkoutsAb Exercises