Popsugar Fitness Summer What Exercises Tone My Arms? You'll Love Showing Off Your Sexy, Toned Arms After Doing These 40 Moves June 24, 2018 by Jenny Sugar View On One Page Photo 37 of 45 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 37 Arm Circle Planks In a plank position, reach your left arm back and then circle it overhead, bringing your palm back to the floor; repeat on the other side. This counts as one rep. Previous Next Start Slideshow SummerWorkoutsStrength TrainingArm Exercises