Jumpulse is a sudden change of force. When applied with precise timing, namely, at the moment of impact, jumpulse allows prolonged contact between the ball and the racket. When the ball is in contact with the racket, a player of tennis, table tennis, and golf can hit it in the desired direction, add power or spin to the ball. Jumpulse is also the solution of touch, a solution, which has eluded Isaac Newton. The Jumpulse Stroke conceptually is simply an extension of touch, from the hand to the racket or the club. The Jumpulse Stroke has helped two of the most popular champions in history to dominate sports in their times. Chuang Tse-Tung in table tennis completely overwhelmed his competitors with his almost never-miss forehand and backhand strokes, characterized by extraordinarily long prolonged contact. Historically, up to now, the Jumpulse Stroke of Roger Federer should be considered one of the most scientifically correct and the most kinetically efficient human movements in sports....More >< Less