Another benefit of post-tensioning is that contractors can build larger slabs using thinner concrete sections, and they don't have to install control joints which can interfere with play. "In order to build a reinforced concrete court that has the same structural capabilities as a post-tensioned court, we would have to install so much steel and concrete that the reinforced court would actually cost more," says Kolkmann. "Also, a reinforced court needs control joints, usually at a spacing of 10 to 15 feet, including in the playing area. Eventually these joints may widen, as well as any cracks that appear."
From 'No advantage'. Scoring method created by Jimmy Van Alen. The first player or doubles team to win four points wins the game, regardless of whether the player or team is ahead by two points. When the game score reaches three points each, the receiver chooses which side of the court (advantage court or deuce court) the service is to be delivered on the seventh and game-deciding point. Utilized by World Team Tennis professional competition, ATP tours, WTA tours, ITF Pro Doubles and ITF Junior Doubles.[57][58]
On 21 May 1881, the oldest nationwide tennis organization in the world[20] was formed, the United States National Lawn Tennis Association (now the United States Tennis Association) in order to standardize the rules and organize competitions.[21] The U.S. National Men's Singles Championship, now the US Open, was first held in 1881 at the Newport Casino, Newport, Rhode Island.[22] The U.S. National Women's Singles Championships were first held in 1887 in Philadelphia.[23]
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The weight of the tennis racquet you use is very important too. You need a heavier tennis racquet to generate more ball speed but you also need to be able to swing it fast enough to hit that ball in the first place. So you have to balance the weight of the tennis racquet you use with other considerations too.For instance, if you are slight in stature it may be to your benefit to use a little lighter racquet to help you turn on the ball faster as you go to return a shot. If you are a player whose game strategy is to win on long volleys you may benefit from using a lighter racquet so you do not get tired out as much swinging so much during a match.
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This is a great question because it is so important to playing the game well. A grip size that is too small will cause your hand to slip on your racquet a little and a grip size that is too big will restrict your wrist movement and make it hard to adjust your grip as you play.To measure your grip you need to take out a measuring tape. Place your fingers on your hand extended out and together and then turn your palm up. With the measuring tape take a measurement from the very end of your ring finger down to the bottom crease in your palm (usually adjacent to where your thumb attaches to your palm). That will be the size grip you need to look for. It usually will fall between 4 inches and 4 ¾ inches on most people.Keep in mind that you may want to add a layer of grip tape to your new racquet like many people do. If you are one of those people then it is best to get a grip size that is one size smaller than what you measured your hand to be. This will allow for the extra grip tape without making the grip too big for your hand.
Tennis is an Olympic sport and is played at all levels of society and at all ages. The sport can be played by anyone who can hold a racket, including wheelchair users. The modern game of tennis originated in Birmingham, England, in the late 19th century as lawn tennis.[1] It had close connections both to various field (lawn) games such as croquet and bowls as well as to the older racket sport today called real tennis. During most of the 19th century, in fact, the term tennis referred to real tennis, not lawn tennis.
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