Here it is shown done standing instead of seated:
Starting Position: Hold a dumbbell in each hand while seated in a upright bench. Each one hanging to the ground with palms facing in. Keep your feet shoulder width apart and your back straight.
Performing the Exercise: Keep your arms straight as you lift your arms outward until the weights are a little above shoulder level. Slowly lower the weight back to your sides.
What not to do
- Do not swing the weight up!
- Keep your palms in the same position as you move the weight up and down
- Keep your back straight, with no leaning forward
- Keep your arms straight