Popsugar Fitness Plank Best Plank Exercises 26 Best Plank Exercises For Strong Arms and Abs 2 July, 2018 by Jenny Sugar View On One Page Photo 0 of 26 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 0 26 Best Plank Exercises For Strong Arms and Abs Plank is the ultimate exercise that works the upper body and core. Mix things up and make plank more challenging with these variations that will also work your legs and butt. Previous Next Start Slideshow PlankArm ExercisesAb Exercises