Just prior to throwing, the right shoulder should be cocked back, but the ball should dip only slightly as it is drawn back. Avoid the bad habit of "winding up" by swinging the ball down to waist level before deciding to throw. This tips of the quarterbacks intentions when throwing and it also takes much longer to deliver the ball.
While delivering the ball, exaggerate throwing the elbow out in front of the body so that the point of the ball will stay up. This will enable the ball to carry further and makes for a softer pass to catch. The quarterback should use a considerable amount of wrist snap by drawing the fingers and the hand inward and downward or even slightly to the outside. It is this snap that provides the spiral necessary in a well thrown pass.
Courtesy Coach Jerry Campbell