Popsugar Fitness Workouts Best Exercises For Arm Day The 16 Best Exercises For Arm Day December 20, 2017 by Jenny Sugar View On One Page Photo 16 of 16 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 16 Push-Up and Rotate Begin in a plank position with your feet in line with your hips. Lower your body toward the floor, then push through your arms returning to plank. Twist to the left, reaching your left arm to the ceiling without letting your pelvis raise or lower. Return to plank position, bringing your hand back to the floor. Complete another push-up and twist to the right. This completes one rep. Do three sets of 15 reps. Previous Next Start Slideshow WorkoutsStrength TrainingArm Exercises