STARTING POSITION:
Select the appropriate weight on a barbell. Stand up straight with the barbell using a prone grip and your hands at shoulder width apart. Contract your pelvic floor and core while keeping your chest up.
MOVEMENT:
Elevate the shoulders as high as possible while you exhale. Return to the starting position in a smooth movement while you inhale.
TIPS: While your are doing the exercise, move only the shoulder joint, make sure you don't move any other part of your body.