Hi I'm Decio Gomes I'm from Brasil leaving here in USA 20years  i pmayed tennis competitive until my 25yrs after that I start to coach players in the tour for 10yrs  after that I started to teach young players and club tennis I'm usta certified ITF coach certified and I'm master in PE  here in Miami I'm coaching high school for 6 years  and ladies teams all levels....bottom line I love  be at tennis court teaching that's my passion  ... View Profile
Further, the patenting of the first lawn mower in 1830, in Britain, is strongly believed to have been the catalyst, worldwide, for the preparation of modern-style grass courts, sporting ovals, playing fields, pitches, greens, etc. This in turn led to the codification of modern rules for many sports, including lawn tennis, most football codes, lawn bowls and others.[9]
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The ATP World Tour Masters 1000 is a group of nine tournaments that form the second-highest echelon in men's tennis. Each event is held annually, and a win at one of these events is worth 1000 ranking points. When the ATP, led by Hamilton Jordan, began running the men's tour in 1990, the directors designated the top nine tournaments, outside of the Grand Slam events, as "Super 9" events.[87] In 2000 this became the Tennis Masters Series and in 2004 the ATP Masters Series. In November at the end of the tennis year, the world's top eight players compete in the ATP World Tour Finals, a tournament with a rotating locale. It is currently held in London, England.[88]
"Tennis Court" received generally positive reviews from contemporary critics. Siân Rowe from NME complimented Lorde's "strong pop vocals".[31] Emily Yoshida from Grantland labelled it a "murkily winsome, ever-so-slightly chopped ballad",[48] while Kyle Jaeger writing for The Hollywood Reporter commended the track's lyrical content and its "catchy" melody.[49] Billboard's Jason Lipshutz was favourable towards the song's "detached attitude" and minimalist production that evoked "something intoxicating" in the music scene.[29] Sharing the same sentiment, Adam Offitzer from independent music blog Pretty Much Amazing regarded "Tennis Court" as a "[burst] of originality" in the mainstream music scene of "mindless hooks and dubstep anthems" for its minimalism and "clever" lyrics.[23]
The concrete slab should be placed at a thickness of at least 4 inches, or 5 inches if subject to repeated freeze/thaw cycles. Munson's post-tensioned slabs are a minimum of 5 inches thick, with the post-tensioning cables spaced 3 feet apart. Before installing the slab, Munson lays down two layers of 10-mil polyethylene sheeting to reduce drag as the slab shrinks upon curing and to serve as a moisture-vapor barrier.
Badminton rackets are light, with top quality rackets weighing between about 70 and 95  grams (with guts ). Modern rackets are composed of carbon fiber composite (graphite reinforced plastic), which may be augmented by a variety of materials. Carbon fiber has an excellent strength to weight ratio, is stiff, and gives excellent kinetic energy transfer. Before the adoption of carbon fiber composite, rackets were made of wood to their excessive weight and cost.
Any court surface may be used indoors. Hard courts[8] are most common indoors, as they are made with the most versatile materials and surface finishes. Clay courts are installed indoors with underground watering systems, and used mostly for Davis Cup matches. The conclusion of the Wimbledon Championships, in 2012, was played on the lawn of Centre Court under the closed roof and artificial lights. The Halle Open has also seen a number of matches played on its grass court in the Gerry Weber Stadion with the roof closed. Carpet surfaces have been used both on the ATP World Tour and World Championship Tennis circuit, though no events currently use them. Historically, other surfaces have been used indoors such as hardwood at the defunct World Covered Court Championships and London Indoor Professional Championships. Currently, the ATP World Tour Finals event is the most important indoor tennis tournament.
What gives concrete the competitive edge? According to Fred Kolkmann, tennis and track division manager for Munson Inc., Glendale, Wis., concrete play courts are more durable, low maintenance, and crack resistant. Munson specializes in post-tensioned concrete and other types of play courts, and has won national and state awards for its concrete tennis court installations.

As rackets have become lighter, stiffer, and larger-headed, the professional game has moved, basically completely, from softer and more flexible string materials to stiff materials. This is, in large part, to tone down the additional power potential of the "modern" rackets. However, it also is related to the tendency for different string materials to move out of place when subjected to heavy topspin strokes. Polyester is the string of choice today because of that resistance, despite its increased stiffness (harsher feel and more aggravating for the joints) and reduced tension-holding ability (versus a string like natural gut, which excels at that). The top professionals of the 1970s and earlier, despite having access to stiffer materials such as nylon, nearly always chose to use the very flexible natural gut instead. String bed stiffness can be increased by using stiffer materials, such as kevlar and polyester, by increasing the density of the string pattern, and by stringing with a higher tension. Racket makers and players have experimented with very dense string patterns and very "open" patterns, beginning with the Snauwaert Hi Ten, which had a pattern with as few as 12 mains and 13 crosses. Doubles great Mark Woodforde used one of them.[14] More recently, Grigor Dimitrov is known for having played with a very open-patterned racket during part of his career. String choice, both in thickness and material, string tension, string pattern, and string pattern density can have a very large effect on how a racket performs.


Head size plays a very key role in a racket's performance characteristics. A larger head size very generally means more power and a larger "sweet spot". This is an area in the string bed that is partially more forgiving on off-center hits and which produces more ball-reflective power from string deformation, known as the trampoline effect. However, large head sizes can increase twisting, which makes off-center hits more difficult to control and can reduce a player's overall power production due to the playing compensating for the extra inherent power, typically with stiffer strings to reduce the increased string deformation of large heads. A smaller head size generally offers more control for many shots, particularly the service and groundstrokes aimed near the lines, but can lead to more shanks (wild misses, from hitting the frame or missing the sweet spot). This drawback is most common for professional players using single-handed topspin backhands, as well as for recreational and aged players at net. Shanking due to small racket head size is typically exacerbated by racket weight, which slows the reaction time, as well as, to a lesser degree, the racket's balance point. In professional tennis, currently-used racket head sizes vary between 95–115 square inches (610–740 cm2), with most players adopting one from 98–108 square inches (630–700 cm2). Rackets with smaller and larger head sizes, 85 and 120–137 square inches (550 and 770–880 cm2), are still produced but are not used by professionals currently. A very small number of professionals, such as Monica Seles, used 125 square inches (810 cm2) rackets during some point in their careers. Rackets with smaller heads than 85 square inches (550 cm2) have not been in production since the 1980s and rackets with larger head sizes than 137 square inches (880 cm2) are not currently legal for the sport, even though only elderly players typically choose to use rackets beyond 115 square inches (740 cm2) and it is nearly unheard-of for a serious player who is not elderly to choose a racket over 125 square inches (810 cm2). The WEED company, founded by Tad Weed, specializes in producing very large rackets, primarily for the elderly market. Rackets that are moderately higher in power production, moderately lower in weight, moderately larger in size, and which typically possess a slightly head-heavy balance are often called "tweener rackets."[11] Rackets that have the smallest heads in current use, the highest weights in current use, and headlight or even balance are referred to as "players' rackets". Oversize rackets, typically 110 square inches (710 cm2) in size, were once pejoratively referred to as "granny sticks" but resistance to them being seen as illegitimate rackets for younger players decreased dramatically with the successful use of these rackets by a small number professionals such as Andre Agassi and Pam Shriver. Originally, even midsize frames (85 square inches (550 cm2)) were considered jumbo, and some top players, such as Martina Navratilova and Rod Laver said they should be banned for making the sport too easy. Later, these same professionals, including John McEnroe, signed a letter supporting a switch back to wood frames, or a limitation to the original standard size of approximately 65 square inches (420 cm2). Perhaps the last professional to use a standard-size racket in professional tennis was Aaron Krickstein, known for the strongly-contested match against Connors at the 1991 US Open. He used a Wilson Ultra-II standard-size graphite racket also used in the 1980s by the hard-hitting teen Andrea Jaeger. The first oversize, the fiberglass Bentley Fortissimo from Germany, was praised by racket designers but was considered too large to be taken seriously by the small number of players who were exposed to it.

The official music video for "Tennis Court" was directed by Joel Kefali, who previously worked with Lorde on the accompanying video for her debut single "Royals".[70] The video was filmed as a one-shot.[71] Lorde appears in "black clothing, braided hair, and dark lipstick."[71] It features Lorde staring into the camera as the song plays; she does not lip sync the lyrics except for the word "Yeah!" after each verse and during the chorus.[71][72] The set lighting fades in and out throughout the video.[73]


The industry has changed so much, and manufacturers are finding ways to keep you on the court. Wilson’s Countervail technology helps reduce muscle fatigue to keep you on the court. Head’s Graphene 360 offers a solid, dampened response at contact for more comfort. Babolat’s Cortex Pure Feel features a new material throughout the hoop for better shock absorption. The list goes on.
All sessions vary depending on the level of the player, the type of training program and the duration of the session. I divide them into 4 parts (order may vary as well): 1) power and control on the court: I design a plan so that the player focuses on developing his/her power and strength to be in control of his game from the moment he/she steps on the court. 2) drills 3) serves: I focus a lot on serve because it is very important for the player to build confidence on his/her serve. 4) sets: Depending on the level of the player, I like to arrange sets so they are used to pay attention to every point, and work on their conc ... View Profile
Nearly one hundred years after its construction, the Royal Tennis Court became symbolic of the brewing French Revolution. On 20 June 1789, the deputies of the Third Estate met there at the time of the Estates General, since the Menus-Plaisirs hotel, their usual meeting place, had been closed by order of the king. On that day, they took an oath not to separate until they had endowed France with a written constitution. This founding scene was immortalised by the painter Jacques-Louis David in a grand fresco, sadly unfinished, called The Tennis Court Oath, which joined the Palace collections in 1921.
"Tennis Court" was played during the 2013 Wimbledon Championships – Women's Singles Final by British Broadcasting Corporation (BBC).[88] "Tennis Court" was remixed by Australian musician Flume in 2014.[89] In July 2014 American producer Diplo released his version, titled the Diplo's Andre Agassi Reebok Pump Mix.[90] In 2014, "Tennis Court" was featured in the soundtrack of the PlayStation 4, Xbox One and Microsoft Windows versions of Grand Theft Auto V.[91]
Balls wear out quickly in serious play and, therefore, in ATP and WTA tournaments, they are changed after every nine games with the first change occurring after only seven games, because the first set of balls is also used for the pre-match warm-up.[45] As a courtesy to the receiver, the server will often signal to the receiver before the first serve of the game in which new balls are used as a reminder that they are using new balls. However, in ITF tournaments like Fed Cup, the balls are changed in a 9–11 style. Continuity of the balls' condition is considered part of the game, so if a re-warm-up is required after an extended break in play (usually due to rain), then the re-warm-up is done using a separate set of balls, and use of the match balls is resumed only when play resumes.
The components of a tennis racket include a handle, known as the grip, connected to a neck which joins a roughly elliptical frame that holds a matrix of tightly pulled strings. For the first 100 years of the modern game, rackets were made of wood and of standard size, and strings were of animal gut. Laminated wood construction yielded more strength in rackets used through most of the 20th century until first metal and then composites of carbon graphite, ceramics, and lighter metals such as titanium were introduced. These stronger materials enabled the production of oversized rackets that yielded yet more power. Meanwhile, technology led to the use of synthetic strings that match the feel of gut yet with added durability.
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