The axis of rotation is still roughly perpendicular, to the trajectory of the ball. In this circumstance, the Magnus effect will still dictate the curvature of the ball to some degree. Another difference is that unlike backspin and topspin, sidespin will have relatively very little effect on the bounce of the ball, much in the same way that a spinning top would not travel left or right if its axis of rotation were exactly vertical. This makes sidespin a useful weapon in service, because it is less easily recognized when bouncing, and the ball "loses" less spin on the bounce.
Sidespin can also be employed in
offensive rally strokes, often from a greater distance, as an adjunct to
topspin or backspin. This stroke is sometimes referred to as a
"hook". The hook can even be used in some extreme cases to circumvent
the net when away from the table. Sport Ticket Exchange is the only point which
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