Label:3rd stroke

Jack Sock – Strong service and forehand combination

In general, Jack has mastered in both strokes the art of the close to optimal body energy unloading (=Tennis 3.0), which goes over the targeted pronation of the entire limb (long-axis pronation). This targeted pronation is possible when, among other conditions, a perfect eye control of the ball leading to optimal spacing is present. Some of the other conditions necessary...