1
Bend your elbows to lower the dumbbell behind your head, keeping your upper arms stationary and close to your head.
2
Make sure your elbows are at about a 90-degree angle at the bottom of the movement.
3
Push the dumbbell back up to the starting position using your triceps to lift the weight.
4
Repeat this exercise for the desired amount of repetitions, ensuring you maintain your form throughout.