The palms of your hands should be facing forward and your feet should be in line with you shoulders.Slowly draw your arms away from the centre line of the body in until you've reached your maximum range. Hold at that position throughout exercise. Movement is made from the shoulders, much like a bird flapping its wings.
Move your arms slowly maintaining resistance throughout the exercise. Bring your arms to the side of your hips then raise above the head in a lateral motion, once maximum tension point is reached pause then slowly return to the original starting position.
The tension should be felt in the trapezius muscle located at the upper back throughout this exercise.