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 2 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Wide Biceps Curl This biceps curl variation also works the deltoids to give you shapely shoulders and cut arms. Stand with your feet slightly wider than hips-width-distance apart. Holding a dumbbell in each hand, hold your arms out wide with a slight bend in your elbows, palms facing up. Bend at your elbows, pulling the weights toward your ears. Extend your arms out wide again to complete one rep. Previous Next Start Slideshow Dumbbell ExercisesArm ExercisesWorkouts