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Backboard (tennis)
A tennis backboard is a simple wall usually made from some kind of fiberboard and located at a tennis court. It should have a tennis net either drawn or painted at the proper height of 3 ft 6 in. It is designed to allow a single person to practice by hitting a tennis ball against the wall so the ball is returned, much like a second player would return it. Its invention is credited to tennis player Mary Browne in 1926 during her tenure as a coach at the University of Chicago. The main advantage of the backboard is that it provides a realistic and challenging emulation of regulation tennis, while also being more enjoyable. In 1938 a restraining line was added so that players would not stand unrealistically close to the wall. Many players are said to have been given their first basic strokes by playing for hours at public courts backboards. Though the backboard's death has been touted more than once, many still believe that it is an important tool to basic skill and stroke devel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tennis
Tennis is a List of racket sports, racket sport that is played either individually against a single opponent (singles (tennis), singles) or between two teams of two players each (doubles (tennis), doubles). Each player uses a tennis racket strung with a cord to strike a hollow rubber tennis ball, ball covered with felt over or around a net and into the opponent's tennis court, court. The object is to manoeuvre the ball in such a way that the opponent is not able to play a valid return. If a player is unable to return the ball successfully, the opponent scores a Point (tennis), point. Playable at all levels of society and at all ages, tennis can be played by anyone who can hold a racket, including Wheelchair tennis, wheelchair users. The original forms of tennis developed in France during the late Middle Ages. The modern form of tennis originated in Birmingham, England, in the late 19th century as lawn tennis. It had close connections to various field (lawn) games such as croqu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fiberboard
Fiberboard (American English) or fibreboard (Commonwealth English) is a type of engineered wood product that is made out of wood fibers. Types of fiberboard (in order of increasing density) include particle board or low-density fiberboard (LDF), medium-density fiberboard (MDF), and hardboard or high-density fiberboard (HDF). It is sometimes used as a synonym for particle board, but particle board usually refers to low-density fiberboard. Plywood is not a type of fiberboard, as it is made of thin sheets of wood, not wood fibers or particles. Fiberboard, particularly medium-density fiberboard, is heavily used in the furniture industry. For pieces that will be visible, a wood veneer, veneer of wood is often glued onto fiberboard to give it the appearance of conventional wood. In the packaging industry, the term "fiberboard" is often used to describe cardboard, a tough Kraft process, kraft-based paperboard or corrugated fiberboard for boxes. "Fiberboard" is also an intermediate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tennis 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 Types of tennis match, 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. Dimensions The dimensions of a tennis court are defined and regulated by the International Tennis Federation (ITF) governing body and are written down in the annual 'Rules of Tennis' document. The court is long. Its width is for singles matches and for doubles matches. The Service line (tennis), service line is from the net. Additional clear space around the court is needed in order for players to reach overrun balls for a total of wide and long. A net is stretched across the full width of the court, parallel with the Glossary of tennis terms#Baseline, baselines, dividing it into two equal ends. The net ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tennis Ball
A tennis ball is a small, hollow ball used in games of tennis and real tennis. Tennis balls are fluorescent yellow in Professional sports, professional competitions, but in Amateur sports, recreational play other colors are also used. Tennis balls are covered in a fibrous felt, which modifies their aerodynamic properties, and each has a white curvilinear oval covering it. Specifications Modern tennis balls must conform to certain size, weight, deformation, and bounce criteria to be approved for regulation play. The International Tennis Federation (ITF) defines the official diameter as . Balls must have masses in the range . A tennis ball generally has more of a nitrogen and oxygen mixture than the sea level ambient air pressure. Yellow and white are the only colors approved by the ITF. Most balls produced are a fluorescent color known as "optic yellow", first introduced in 1972 following research demonstrating they were more visible on television. What color to call the ball ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mary Browne
Mary Kendall Browne (June 3, 1891 – August 19, 1971) was an American professional tennis player and an amateur golfer. She was born in Ventura County, California. Biography According to A. Wallis Myers of ''The Daily Telegraph'' and the ''Daily Mail'', Browne was ranked in the world top 10 in 1921 (when the rankings began), 1924, and 1926, reaching a career high of world no. 3 in those rankings in 1921. Browne was included in the year-end top 10 rankings issued by the United States Lawn Tennis Association in 1913 (when the rankings began), 1914, 1921, 1924, and 1925. She was the top-ranked U.S. player in 1914. She also played golf and was runner-up at the 1924 U.S. Women's Amateur to champion Dorothy Campbell Hurd. She took part in the 1925 and 1926 editions of the Wightman Cup, an annual women's team tennis competition between the United States and Great Britain. She later became a coach at the University of Chicago, where she is credited with inventing the backboard f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Chicago
The University of Chicago (UChicago, Chicago, or UChi) is a Private university, private research university in Chicago, Illinois, United States. Its main campus is in the Hyde Park, Chicago, Hyde Park neighborhood on Chicago's South Side, Chicago, South Side, near the shore of Lake Michigan about from Chicago Loop, the Loop. The university is composed of an College of the University of Chicago, undergraduate college and four graduate divisions: Biological Science, Arts & Humanities, Physical Science, and Social Science, which include various organized departments and institutes. In addition, the university operates eight professional schools in the fields of University of Chicago Booth School of Business, business, Crown Family School of Social Work, Policy, and Practice, social work, University of Chicago Divinity School, divinity, Graham School of Continuing Liberal and Professional Studies, continuing studies, Harris School of Public Policy, public policy, University of Chi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The New York Times
''The New York Times'' (''NYT'') is an American daily newspaper based in New York City. ''The New York Times'' covers domestic, national, and international news, and publishes opinion pieces, investigative reports, and reviews. As one of the longest-running newspapers in the United States, the ''Times'' serves as one of the country's Newspaper of record, newspapers of record. , ''The New York Times'' had 9.13 million total and 8.83 million online subscribers, both by significant margins the List of newspapers in the United States, highest numbers for any newspaper in the United States; the total also included 296,330 print subscribers, making the ''Times'' the second-largest newspaper by print circulation in the United States, following ''The Wall Street Journal'', also based in New York City. ''The New York Times'' is published by the New York Times Company; since 1896, the company has been chaired by the Ochs-Sulzberger family, whose current chairman and the paper's publ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roger Federer
Roger Federer ( , ; born 8 August 1981) is a Swiss former professional tennis player. He was ranked as the List of ATP number 1 ranked singles tennis players, world No. 1 in men's singles by the Association of Tennis Professionals (ATP) for 310 weeks (List of ATP number 1 ranked singles tennis players#Weeks at No. 1, second-most of all time), including a record 237 consecutive weeks, and finished as the List of ATP number 1 ranked singles tennis players#Year-end No. 1 players, year-end No. 1 five times. Federer won 103 singles titles on the ATP Tour, the second most since the start of the Open Era in 1968, including 20 Grand Slam (tennis)#Tournaments, major men's singles titles (among which a record eight men's singles Wimbledon Championships, Wimbledon titles, and an Open Era joint-record five men's singles US Open (tennis), US Open titles) and six ATP Finals, year-end championships. For nearly two decades, Federer was a leading figure in men's tennis alongside Rafael Nadal a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tennis 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 Types of tennis match, 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. Dimensions The dimensions of a tennis court are defined and regulated by the International Tennis Federation (ITF) governing body and are written down in the annual 'Rules of Tennis' document. The court is long. Its width is for singles matches and for doubles matches. The Service line (tennis), service line is from the net. Additional clear space around the court is needed in order for players to reach overrun balls for a total of wide and long. A net is stretched across the full width of the court, parallel with the Glossary of tennis terms#Baseline, baselines, dividing it into two equal ends. The net ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
