Lie on a flat bench while squeezing your shoulder blades together.
2. Hold a pair of dumbbells over your shoulders with your palms facing each other and your elbows slightly bent.
3. Lower the dumbbells laterally in a wide arc to your sides without changing the angle of your elbows.
4. Once the dumbbells have been lower to chest height, return the dumbbells back to the starting position.
Working muscle/muscles:
