Popsugar Health & Fitness Core Exercises 19 Best Ab Exercises That Aren't Planks Spare Your Arms: Light Up Your Abs With 19 Core Moves That Require No Planking 28 February 2020 by Maggie Ryan View On One Page Photo 7 of 19 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 Standing Weighted Twist Stand with your knees slightly soft, holding a dumbbell at chest level. Keep your pelvis stable as you rotate your rib cage right and left to complete one rep. Be sure to keep your abs pulled toward your spine as you twist from side to side. Previous Next Start Slideshow Core ExercisesWorkoutsAb Exercises