Service Shoulder Power

Looking for a clear and concise explanation of how to develop maximum power on the serve? In the second article in this new series, John Craig explores belief and reality for this widely misunderstood and controversial topic.

The wrist he finds is at most a conduit that passes power to the ball. But the source that generates that power lies somewhere else—in the rotation of the shoulder.

Watch John demonstrate the path of this rotation as well as trace it in the motion of the master of the effortless high velocity serve, Roger Federer.