Popsugar Health & Fitness Workouts What Are the Best Dumbbell Arm Exercises? Grab a Pair of Dumbbells — These Are the Best Moves For Strong, Defined Arm Muscles 24 January 2019 by Jenny Sugar View On One Page Photo 4 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Wide Bicep Curl 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 Workouts