Popsugar Health & Fitness Arm Exercises Best Arm Exercises If Today Is Arm Day, Here Are 59 of the Most Effective Moves You Can Do 21 March 2018 by Jenny Sugar View On One Page Photo 31 of 59 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 31 Feet on Medicine Ball Push-Up Begin in plank position with you toes resting on a medicine ball. Keeping the core engaged, bend and straighten your arms to complete a push-up. Previous Next Start Slideshow Arm ExercisesStrength TrainingWorkouts