Popsugar Health & Fitness Arm Exercises Best Exercises For Toned Arms Change the Shape of Your Arms With These 50 Essential Moves 24 May 2018 by Jenny Sugar View On One Page Photo 7 of 52 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 Plank Jacks Begin in plank position with your feet together. Keep your upper body stable and engage your abs. Begin doing jumping jacks with your legs. Hop them wide, then hop them together. Jump as quickly as you want. Previous Next Start Slideshow Arm ExercisesWorkouts