HOW: Hold a dumbbell with each hand with your thumbs facing forward. Raise your arms in the scaption plane (not to the side or directly in front of you - but in between). Slowly return to starting position. When raising your arm, think about leading with your thumbs, when overhead your thumbs should be facing the back wall.
FEEL: The muscles of your shoulder working with this exercise.
COMPENSATIONS: Avoid shrugging the shoulder blades as you move into this position.
