HOW: Hold two dumbbells in a standing position with your feet shoulder width apart. Hinge forward at the hips and slightly bend your knees. Hold the dumbbells with your thumbs pointed out. Squeeze your shoulder blades back and Raise both hands up straight out from your shoulder until you get to shoulder height.
FEEL: You should feel your shoulder muscles working.
COMPENSATION: Keep your thumbs out and palms up as you bring your arms up.