Popsugar Health & Fitness Workouts Best Core Exercises I'm a Trainer, and These Are My 16 Favourite Ab Sculpting Exercises 24 July 2018 by Tamara Pridgett View On One Page Photo 8 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 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. Previous Next Start Slideshow Trainer TipsCore ExercisesStrength TrainingWorkoutsAb Exercises