Popsugar Fitness Workouts Ab Exercises For Fall and Winter 5 Easy Moves For Strong and Sexy Abs June 25, 2016 by Anna Monette Roberts View On One Page Photo 1 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Pilates Hip-Ups With control, this dynamic exercise will strengthen your low abs in no time. Make sure to keep your core engaged throughout the entire move! Start lying on your back with your hands by your sides. With your core engaged, lift your feet off the ground, and cross your ankles. Lift your lower back off the mat, and rock up toward the ceiling. With control, lower your back (not your legs) to the mat. Repeat this motion for 20 reps. Previous Next Start Slideshow WorkoutsStrength TrainingEditor's PickAb Exercises