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 7 of 26 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 Spiderman Plank (aka Creepy Crawler) In plank, bring your knee to your elbow and then alternate sides. This counts as one rep. If this is too challenging, just lift leg open to the side. Previous Next Start Slideshow PlankArm ExercisesAb Exercises