For length, 21 to 26 inches (53 to 66 cm) is normally the junior racket range, while 27 inches (69 cm) is for stronger more physically-mature players. Some are also available at lengths of 27.5 to 29 inches (70 to 74 cm). The Gamma Big Bubba was produced with a 32 inches (81 cm) length but it is no longer legal in that length. Gamma responded by changing the length of the grip portion of the racket, to continue sales. The length restriction was based on the concern that such long rackets would make the serve too dominant, but that concern has never been objectively supported with testing. Moreover, some players, such as John Isner, are much taller and have longer arms than average professionals (and especially low stature ones), giving them a much larger advantage in terms of height for the service than is possible with several inches of racket length. This makes the length restriction more questionable. Finally, the professionals who nearly always choose to use the longest rackets typically choose them because they use two-handed groundstrokes for both forehand and backhand, using the extra length to improve their reach. An example is Marion Bartoli. As this type of player is not dominant in the sport, or even close to being average in terms of per capita representation, the length restriction seems even more unnecessary. Despite Prince's attempt to market longer length "longbody" rackets in the 1990s, standard length remains the overwhelming choice of players, further negating the argument in favor of the length restriction. When most players who choose to use a longer racket than 27 inches (69 cm) choose one, they typically only use a 27.5 inches (70 cm) model, rather than one approaching 30 inches (76 cm). Longer rackets were introduced by Dunlop[10]
Tennis is a racket sport that can be played individually against a single opponent (singles) or between two teams of two players each (doubles). Each player uses a tennis racket that is strung with cord to strike a hollow rubber ball covered with felt over or around a net and into the opponent's court. The object of the game is to maneuver the ball in such a way that the opponent is not able to play a valid return. The player who is unable to return the ball will not gain a point, while the opposite player will.
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