Popsugar Health & Fitness Dumbbell Exercises How Do I Work My Arms With Dumbbells? Grab Your Dumbbells — These Exercises Will Tone, Shape, and Strengthen Your Arms 19 January 2019 by Susi May View On One Page Photo 3 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Right-Angle Biceps Curl Try this variation seated, on the floor, or on an exercise ball for a change of pace. Sit cross-legged on the floor, or stand. Holding your weights, extend your arms straight in front of you with your palms up. Slowly pull your arms up into a right angle. Release them back into the starting position to complete the rep. Previous Next Start Slideshow Dumbbell ExercisesArm ExercisesWorkouts