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Spin in Table Tennis/ Ping-Pong

Long live the revolution(s)!

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What is Spin?

The most important difference between modern competitive table tennis and the game that is played in basements and garages around the world is spin. The amusing past-time that most people are familiar with as ping-pong does not have the same amount of spin involved as the real sport more often know as table tennis. It is the ability of advanced players using modern technology to apply spins of up to 150 revolutions per second that truly makes table tennis a unique sport.

In order to become an advanced player, you need to know all about spin, including:

We'll start in this article with why spin is so important in modern table tennis.

Why is Spin Important in Table Tennis?

It is probably easiest to understand how important spin is by first imagining what table tennis would be like if there was no such thing as spin. If you could not spin the ball in table tennis, what would be different?

How Hard You Can Hit

First of all, you would be limited in how hard you could hit the ball. A table tennis table is 9 feet or 2.74 meters long. A top player can hit a ball off the bat at around 175km/hour (although it will slow down a little due to air resistance).

Without boring you with all the physics, this means that the ball will drop due to gravity about one and a half to two centimeters during the time it takes to cross the table. So if the ball is hit at the same height as the top of the net, it will be physically impossible to hit the ball at this speed and still land the ball on the opponent's court - the ball will simply not drop fast enough. It gets worse as the ball gets lower, since the ball must now be hit upwards to get over the net, and then there is only gravity to pull it back down onto the table. (By the way, you could hit the ball as hard as you can virtually straight up in the air, hoping that it will come down on the other side of the table. But practically it's a pretty silly thing to do, and very hard as well - try it sometime!)

The ball could only be hit at full speed and power if the ball was high enough to draw a virtually straight line between the ball and a point on the opponent's side of the table, without the net getting in the way. This is roughly 30cm above the table if the ball is hit at the endline.

Spin is what allows players to hit a table tennis ball hard when the ball is low or below the net, but still land it on the table. By putting heavy topspin on the ball, a player is able to make the ball drop towards the table faster, so that he can hit the ball fast in an upwards direction, but have his heavy topspin pull the ball down onto the other side of the table.

Spin is why the real sport of table tennis is played so much faster and harder than the basement version - the more you can spin the ball, the harder you can hit it and still hit the table!

Variety of Strokes

Secondly, without spin you would lose the ability to curve the ball through the air, and bounce in the direction of the spin when it hits the table. Every stroke would go in a straight line in the direction that the ball is hit - much like a badminton shuttlecock.

Putting topspin on the ball causes the ball to drop faster and kick more forward when it bounces, while backspin makes the ball tend to lift against the force of gravity and slows down the forward bounce. Left sidespin and right sidespin cause the ball to curve to the left and right, and bounce towards these directions when hitting the table. Any combination of two of these spins can be used to achieve strokes that are harder for the opponent to return than a ball with no spin. If the opponent doesn't adjust for the effect of the spin on the flight of the ball and the way it bounces, he's unlikely to even hit the ball!

Spin is the reason why the modern game has much more variety of strokes than the basement version - with spin you have many more choices about what to do with the ball - hit it hard hard or soft, with topspin or backspin, or curve it left or right with sidespin.

Related Video
Quick Tip: What Is Backspin in Table Tennis?
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