Lie on your side with your head resting on a pillow, affected arm between your body and the ground.
Lay your top arm along the length of your body.
Hold a dumbbell in the hand of your affected arm.
Bend the elbow to 90 degrees so your upper arm is parallel to your body and your lower arm is perpendicular to your body.
Rotate your hand, bringing the weight up towards your opposite arm.
Hold briefly then return to the starting position in a controlled manner.
