Popsugar Health & Fitness Arm Exercises Best Plank Variations This Is the Ultimate Move For Sculpting Arms and Abs — Try These 30 Variations 26 July 2018 by Jenny Sugar View On One Page Photo 22 of 30 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 22 Side Plank Right Balance on your right hand and the outside edge of your right foot, with your body in one straight line. To modify, stagger your feet and bring your top leg forward. Hold for 30 seconds on each side to complete one rep. Previous Next Start Slideshow Arm ExercisesWorkoutsAb Exercises