Anchor the back of your ribcage into the floor.
Keep your elbows in line with your wrists. Do not let your elbows move out wider than your wrists. Imagine you have magnets on your inner elbows.
Keeping your elbows bent will make this exercise easier. To increase your challenge, slowly begin to explore straightening your elbows as you take the weight overhead.
Pause in the extended position for a few beat.
Pull your shoulder blades down your back (away from your ears) to return the dumbbell to your starting position.
Choose a weight that allows you to do 10 - 12 repetitions.