Stand with your feet shoulder-width apart. Hold a 5–pound dumbbell in each hand in front of your hips, palms facing out. To begin, bend your left arm 90 degrees so your left arm is parallel to the floor. Curl your right hand toward your shoulder.
Low Weights, High Reps: Feel the Burn With These Arm Exercises. Grab your two- or three-pound dumbbells and get going, but don't worry if you don't have .
You can work your arms using only light 5–pound weights to build lean muscle. Do these. As you get stronger and your muscles adapt to the workouts, you.