1) Stand with your feet at shoulder width apart.
2) Grab a dumbbell in one hand position it behind your head with your elbow at a 90° degree.
3) The position of your hand is up to you - keep on your hip for balance or holding your opposing lat.
4) Exhale and press the dumbbell upwards to the point where your elbow is almost fully extended. Remember to not fully extend it.
5) Inhale and slowly lower the dumbbell back to your starting position.