1. Stand tall with your weight evenly distributed over both feet.
2. Raise one arm and bend your elbow so the dumbbell is positioned behind your head.
3. Support your working arm by placing your opposite hand on your upper arm to keep it stable.
4. Slowly straighten your elbow and bring the weight directly overhead.
5. Hold the contraction for 2 seconds.
6. Slowly lower the weight back down behind your head and repeat.

Tip: Keep your abdominal muscles tight and do not arch your back during the movement.