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Real tennis (also royal tennis or court tennis): An indoor racket sport which was the predecessor of the modern game of (lawn) tennis. The term real is used as a retronym to distinguish the ancient game from the modern game of lawn tennis. Known also as court tennis in the United States or royal tennis in Australia. [113]
Carpet court – The parts of a tennis court include: Ad court – short for "advantage court", it is the left side of the receiving team, or the right side of the opponent's court as viewed from the server's side, significant as the receiving side for an ad point. Alley (Tramlines) – zone between the singles court and the doubles court.
A tennis court is the venue where the sport of tennis is played. It is a firm rectangular surface with a low net stretched across the centre. The same surface can be used to play both doubles and singles matches. A variety of surfaces can be used to create a tennis court, each with its own characteristics which affect the playing style of the game.
The tennis scoring system is a standard widespread method for scoring tennis matches, including pick-up games. Some tennis matches are played as part of a tournament, which may have various categories, such as singles and doubles .
The tennis racket theorem or intermediate axis theorem, is a kinetic phenomenon of classical mechanics which describes the movement of a rigid body with three distinct principal moments of inertia. It has also been dubbed the Dzhanibekov effect , after Soviet cosmonaut Vladimir Dzhanibekov , who noticed one of the theorem's logical consequences ...
This grip is known as "the Shotgun". This is due to its strange nature of attack and pressure on the ball. Whenever it is used, the grip must be applied firmly, near the shaft of the racket to properly produce enough effect. This will cause the racket to come explosively on the ball, like a shotgun. Hence, the name "Shotgun".
Roger Federer playing on the grass at Centre Court in the 2006 Wimbledon Championships. A grass court is one of the types of tennis court on which the sport of tennis, originally known as "lawn tennis", is played. Grass courts are made of grasses in different compositions depending on the tournament.
Flexible shaft tool. A flexible shaft, often referred to as a flex shaft, is a device for transmitting rotary motion between two objects which are not fixed relative to one another. It consists of a rotating wire rope or coil which is flexible but has some torsional stiffness. It may or may not have a covering, which also bends but does not rotate.