This exercise uses a dumbbell to work each arm individually.
- Sit on a bench with your back straight and your abs drawn in.
- Grasp a dumbbell in your hand and place it behind your neck with your elbow bent.
- Slowly extend your arm straight up over your head and slowly return to the starting position.
Note: Place your free hand across your chest to help steady yourself during this exercise.
Exercise images by Everkinetic.