On 7 June 2013, Universal Music Group released "Tennis Court" for digital download as Lorde's second single following "Royals" in Australia and New Zealand, where Lorde's cover of The Replacements' 1985 song "Swingin Party" serves as the B-side. On the same day, an EP of the same name was released digitally throughout Europe. The EP contains three additional tracks—"Swingin Party", "Biting Down" and "Bravado"—all of which were previously included on The Love Club EP. On 22 July, the EP was released as a 10-inch vinyl in the UK by Virgin EMI Records. "Tennis Court" was later included as the opening track on Lorde's debut studio album Pure Heroine, released on 27 September 2013.
This is a pretty serious level of tennis. The NCAA colleges have a very high skill ceiling for their tennis programs. They are looking for players who preferably have an ITF ranking and pretty proficient at their craft. To achieve this level of tennis you have to get your child in training from a very young age, like at 7-9 years old. They should have a dedicated plan for what they are going to do in their formative years because you have to maintain a balance of study and great tennis to get accepted into NCAA colleges on a sports scholarship. If your kid shows the talent then they can learn all the fundamentals in less than two years and they can keep practicing to perfect them.
In the early 1980s, "graphite" (carbon fibre) composites were introduced, and other materials were added to the composite, including ceramics, glass fibre, boron, and titanium. Some of the earliest models typically had 20% or more fiberglass, to make them more flexible. Stiff rackets were typically not preferred by most players because of their familiarity with the comfortable softness of wood. These early models tended to be very flexible and not very powerful, although they were a power upgrade over wood and metal rackets. Wilson created the Jack Kramer Pro Staff, the graphite version of the wood racket of the same name extremely popular in the late 70's and early 80's. This was the origin of the extremely influential Wilson Pro Staff 85. Chris Evert's first graphite racket was this Jack Kramer version, which had 20% fiberglass. It was not a market success and she, along with everyone else, quickly replaced it with the stiffer Pro Staff 85, which had 20% kevlar. It used the same mold and had the same braided graphite, but offered a very noticeable improvement in power. The very popular Prince original graphite, an oversize in its most popular form, was also quite influential and used by many pros, especially as juniors. Jennifer Capriati and Monica Seles, for instance, used the Prince graphite to contest their influential Wimbledon match in 1991 that has often been hailed as the beginning of the power baselining game in the WTA, although that claim is somewhat hyperbolic and is, in large part, due to the mistaken impression that the players were hitting much harder when, in fact, the rackets were more powerful. However, the very large head size, when compared with the midsize and, especially, the old "standard" size, made it easier to produce power. The racket also had an open string pattern. The Prince "original" graphite name is rather a misnomer, as it went through some significant design adjustments over its lifetime. For instance, the truly original model had a reverse teardrop head shape, something no subsequent versions had. Stiffer composite rackets, when compared with the first and second generations of graphite composites, are the contemporary standard. The last wooden racket appearing at Wimbledon appeared in 1987, long after they were abandoned by practically all professionals. Borg tried to stage a comeback with his standard wood racket, after his premature retirement, but it quickly ended in failure, as the standard wood was no match when placed against a stiff midplus graphite. It is also commonly argued that Chris Evert would have been able to beat Martina Navratilova during the latter's most dominant period if she had switched from her wood racket years sooner. Additionally, the last influential wooden racket, the Prince Woodie, had layers of graphite to increase its stiffness and was an oversize. It was used by Tommy Haas, Gabriela Sabatini, and quite a few others. It offered very little power but did offer much more surface area than a standard-size wooden frame. Sabatini found it helpful, as compared with smaller rackets, due to her production of heavy topspin. The only woman to beat Martina Navratilova in 1984, Kathleen Horvath, used the Prince Woodie, one of only six losses Navratilova suffered in a three-year stretch involving 260 matches.
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Popular lawn tennis rackets vary primarily in length, weight, balance point, stiffness, beam thickness, string pattern, string density, and head size. They generally conform to unofficial standards that differ from past rackets. Currently, almost all adult rackets produced by companies such as Prince Sports, Yonex, Wilson, Babolat , Dunlop Sport, Head, Tecnifibre, and Völkl are made from a graphite composite. Those made from wood (the original racket frame row material), steel, fiberglass, aluminium are considered obsolete, although those materials are technically legal for play. Inexpensive rackets often have poor performance characteristics such as excessive flexibility and inadequate weight. No recent manufacturers use single-throated beams, although Prince tried to reintroduce the single throat design in the 1990s: the only professional who used one was Mirjana Lučić. Braided graphite rackets were considered high-end until recently and molded rackets have been the norm for some time. Molding is less expensive to manufacture and offer high stiffness. Dunlop started the transition away from aluminum based frames and popularised graphite-based racquets. Especially the Dunlop Max 200G model, once used to great effect by Steffi Graf and John McEnroe set the tone. Graphite-composite rackets are today's industry standard in professional tennis.
I’ve spent years in attempts to understand tennis techniques and secrets that few people ever learn in tennis lessons. Most competitive junior tennis players have the privilege of time and money to develop and learn tennis techniques, but maybe you don’t. Tennis techniques are an important part for every tennis player and even small changes in tennis technique can result in big improvements.
Another alternative set format are so called "short sets" where the first to four games to win by two games. In this format a tie-break is played at four games all. The ITF experimented with this format in low level Davis Cup matches, but the experiment was not continued. Nevertheless, this alternative remains as an acceptable alternative in the ITF rules of Tennis.
Aside from the historical significance of these events, they also carry larger prize funds than any other tour event and are worth double the number of ranking points to the champion than in the next echelon of tournaments, the Masters 1000 (men) and Premier events (women). Another distinguishing feature is the number of players in the singles draw. There are 128, more than any other professional tennis tournament. This draw is composed of 32 seeded players, other players ranked in the world's top 100, qualifiers, and players who receive invitations through wild cards. Grand Slam men's tournaments have best-of-five set matches while the women play best-of-three. Grand Slam tournaments are among the small number of events that last two weeks, the others being the Indian Wells Masters and the Miami Masters.
The comprehensive rules promulgated in 1924 by the ILTF, have remained largely stable in the ensuing eighty years, the one major change being the addition of the tiebreak system designed by Jimmy Van Alen. That same year, tennis withdrew from the Olympics after the 1924 Games but returned 60 years later as a 21-and-under demonstration event in 1984. This reinstatement was credited by the efforts by the then ITF President Philippe Chatrier, ITF General Secretary David Gray and ITF Vice President Pablo Llorens, and support from IOC President Juan Antonio Samaranch. The success of the event was overwhelming and the IOC decided to reintroduce tennis as a full medal sport at Seoul in 1988.
A well-constructed, properly maintained concrete court can provide decades of recreational enjoyment. But you'll have to pay to play. The cost of a regulation-size post-tensioned concrete tennis court with a cushioned surface can be double that of an equivalent asphalt court. "The basic asphalt court starts at about $40,000 to $45,000, with the average price probably in the mid $50s to low $60s. For a post-tensioned court, you'll pay in the low $100,000 range," says Kolkmann.
Before hiring a local contractor to build your play court, ask plenty of questions and do your research. Tennis court construction is a highly specialized field, so it's important to find a contractor with extensive experience. Kolkmann recommends using someone who is an active member of ASBA, with at least 15% to 20% of annual business devoted to designing and constructing sport surfaces. (ASBA has a searchable database of certified builder members.)
Here is another racquet on our list from the very good tennis racquet manufacturer Babolat. Rest assured that any company that puts more than one tennis racquet on our top review list is a company that knows how to build tennis racquets the right way. This racquet is comfortable to use, helps you control the ball when you strike it and also will add a little power to your game.
A tennis match is composed of points, games, and sets. A set consists of a number of games (a minimum of six), which in turn each consist of points. A set is won by the first side to win 6 games, with a margin of at least 2 games over the other side (e.g. 6–3 or 7–5). If the set is tied at six games each, a tie-break is usually played to decide the set. A match is won when a player or a doubles team has won the majority of the prescribed number of sets. Matches employ either a best-of-three (first to two sets wins) or best-of-five (first to three sets wins) set format. The best-of-five set format is usually only used in the men's singles or doubles matches at Grand Slam and Davis Cup matches.
There is nothing that says you cannot look good when you play the game of tennis and that includes having a stylish tennis racquet that accentuates your attire. It is probably not something that you want to be a major factor in your purchasing decision but if you have narrowed your choices down to 2 or 3 similar racquets it can be used as the deciding factor.
You and your group of friends just started to play tennis just to have a little fun with it. You do not plan to compete or anything. Your main focus is to have fun and have a good time with your friends. You do not care about whether you have the proper technique or the form, you just want the ball to keep in play and have some long and exciting rallies with your group of friends.
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
Another theory is that the scoring nomenclature came from the French game jeu de paume (a precursor to tennis which initially used the hand instead of a racket). Jeu de paume was very popular before the French Revolution, with more than 1,000 courts in Paris alone. The traditional court was 90 ft (pieds du roi) in total with 45 ft on each side. When the server scored, he or she moved forward 15 ft. If the server scored again, he or she would move another 15 ft. If the server scored a third time, he or she could only move 10 ft closer.
A tennis match is intended to be continuous. Because stamina is a relevant factor, arbitrary delays are not permitted. In most cases, service is required to occur no more than 20 seconds after the end of the previous point. This is increased to 90 seconds when the players change ends (after every odd-numbered game), and a 2-minute break is permitted between sets. Other than this, breaks are permitted only when forced by events beyond the players' control, such as rain, damaged footwear, damaged racket, or the need to retrieve an errant ball. Should a player be determined to be stalling repeatedly, the chair umpire may initially give a warning followed by subsequent penalties of "point", "game", and default of the match for the player who is consistently taking longer than the allowed time limit.
Outside Australasia, the single achieved modest commercial success. It peaked at number 78 on the Canadian Hot 100 and remained for five weeks on the chart. The track earned platinum certification from Music Canada, which denotes shipments of 80,000 copies in the country. The single had the similar position on the UK Singles Chart and was certified silver by the British Phonographic Industry for track-equivalent sales of 200,000 units, based on sales and streams. It also entered the top 100 of the German Singles Chart, where it reached number 83. Despite not entering the record chart of Norway, the song was certified platinum by IFPI Norway for exceeding sales of 10,000 units in the country. In the US, "Tennis Court" debuted at number 71, which was also its highest placement, on the Billboard Hot 100 chart dated 19 October 2013. The single spent 18 weeks on the chart and had sold 355,000 copies in the US by April 2014. It also reached number nine on the Hot Rock Songs, a Billboard auxiliary chart.
If you find reading boring then you can try watching free instructional videos on the internet. The best part about these videos is that it is made by tennis pros who are passionate about teaching tennis, so you won’t find the videos hard to understand. Between reading and watching the instructional videos, you will pick up important details about tennis on your own.
The first year with Kirill was brutal. The prescribed continental grip felt awkward when I first began to serve. I thought I was turning my shoulder, properly, to prepare to hit a backhand, but wasn’t. I thought I was, properly, following through on my forehand, and wasn’t. It was the strangest thing. I had no sense at times of what my body was doing. And that, to some extent — a frustrating and at times embarrassing extent — continues. And it continues despite the incessant midplay appeals from Kirill to correct this, correct that. One of the things about having a coach is that no one has watched how I move more intently since I was a toddler.
The tennis scoring system is a way to keep track of tennis matches (including pick-up games). Some tennis matches are played as part of a tournament. (Tournaments may have various categories, such as singles and doubles.) The great majority are organised as a single-elimination tournament, with competitors being eliminated after a single loss, and the overall winner being the last competitor without a loss. Optimally, such tournaments have a number of competitors equal to a power of two in order to fully fill out a single elimination bracket. In many professional and top-level amateur events, the brackets are seeded according to a recognised ranking system, in order to keep the best players in the field from facing each other until as late in the tournament as possible; additionally, if byes are necessary because of a less-than-full bracket, those byes in the first round are usually given to the highest-seeded competitors.
The server’s score is always announced first. So, for instance if the server has two points and his opponent, the receiver, has none, the score is 30-love. If a game is tied at 40-40, it is called “deuce”. If the server gets the next point, it’s called server advantage; if the receiver gets the next point, it’s called receiver advantage. It’s advantage because the player who has it only needs one more point to win. Should they not make this one point the game goes back to deuce. Scoring is perhaps a bit complicated, but necessary to understand as you learn to play tennis.
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I reckon the best thing would be for courses like Tennis Xpress to introduce a ‘recreational’ level for those who want to play on Sundays and may have hit some balls with mates before but who need help correcting technique or gaining more confidence in their game – leaving the very, very rusty or beginners to go slowly without fear of ridicule or frustration.
Advantage sets sometimes continue much longer than tie-break sets. The 2010 Wimbledon first-round match between John Isner and Nicolas Mahut, which is the longest professional tennis match in history, notably ended with Isner winning the fifth set by 70–68. The match lasted in total 11 hours and five minutes, with the fifth set alone lasting eight hours, 11 minutes. Whoever wins by a margin of two wins the set, but this could take a very long time to finish.
Great question. Thanks for asking it. Gut string really is great for tennis players that know how to use spin and other shot variations to their advantage. It also deadens the ball more than most other strings will so it helps prevent mishits too.We do not feel there is a synthetic string out there that will give you quite as a dramatic effect but that is changing a little. Some of the new synthetic types of tennis racquet strings that are coming out are getting close to the quality of gut string. So if you look in tennis pro shops or in tennis specialty stores you might be able to find a synthetic racquet string that is to your liking.
Acrylic color coatings are a combination of acrylic latex resins, pigments, and silica sand (for texture). They protect the court from the elements, enhance its appearance, and improve foot traction and consistency in ball bounce. They also make it possible to tailor the speed of play to your preferences by adjusting the amount, type, and size of sand used in the coating. For a standard concrete tennis court, the cost to install an acrylic color coating runs about $6,000, according to Kolkmann. To improve bonding of the coating, the concrete surface should have a broom finish (a lightly textured profile obtained by pushing a broom over freshly placed concrete).
Learn the basics of tennis scoring. One player serves the ball per game. From the time the ball is served, one point is available to either player. The point is awarded when the ball goes out of bounds, hits the net, or is missed by a player. The game ends after one player has scored four points with a margin of at least two points over the loser. For example, a score of 4 - 2 means that the game is over, but a score of 4 - 3 means that the game must continue.
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.
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."
This is the very big Turning point of my life. Now there is no Head coach in my academy so effect of no head coach is my Game is not building up any more days, weeks, Months even year passed but there is no improvement of My game I wanted to change the academy but Unfortunately it is not possible for me because the fees of My nearby academy is too high as compared to my current academy.
Position yourself in a baseline corner. The game starts with both players on the baseline. The server chooses a corner of the baseline to serve from, and the other player positions themselves on the opposite back corner. So if you serve from the right corner of your side of the court, your opponent will stand in the far left corner from your point of view.
Hello my name is Rafael Alvarez I am currently a tennis professional at La Gorce Country Club. I have been teaching for 3 years now, the previous two years I worked for Cliff Drysdale: one and half years at Ritz Carlton, Key Biscayne and four months at South Hamptons, New York . I have taught in some very respectable facilities that require the utmost professionalism. As a tennis player I have many accomplishments, since I was young I was always a top 30 player in USTA Junior tennis winning many tournaments along the way. In High School I was a state doubles champion with Emilio Teran; my freshman year the team came in 3 place in States an ... View Profile
^ Lorde (2013). Lyrical Influences (VEVO LIFT): Brought to You By McDonald's (video). VEVO/YouTube. Event occurs at 2:25. Retrieved 22 November 2013. When I wrote "Tennis Court", I was looking at a lot of photography by this guy called Gregory Crewdson who, um, makes these huge, super intricate, really beautiful photographs. They kind of just, like, depict human life, and there is this an emptiness to them and there is a suburbia to them which I find really compelling. And so I was definitely thinking of that visually.
If time and finances permit, adult beginners should take a beginner tennis clinic and hit lots of balls, period. The clinic should be augmented by private lessons. After the basics are in place, find someone to hit with who can control the ball and see if he or she can practice with you. Take more clinics and hit balls … get exposure to hitting while you work on grip technique and footwork. Set a goal to get into the next level within 6-8 weeks.
Notable tennis tournaments previously held on carpet courts were the WCT Finals, Paris Masters, U.S. Pro Indoor and Kremlin Cup. Since 2009, their use has been discontinued on the top tier of the ATP. ATP Challenger Tour tournaments such as the Trofeo Città di Brescia still use carpet courts. The WTA Tour has one remaining carpet court event, the International-level Tournoi de Québec.
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Points are counted using ordinary numbering. The set is won by the player who has scored at least seven points in the tiebreak and at least two points more than their opponent. For example, if the score is 6 points to 5 and the player with 6 points wins the next point, they win the tiebreak (7 points to 5), as well as the set (7 games to 6). If the player with 5 points wins the point instead (for a score of 6–6), the tiebreak continues and cannot be won on the next point (7–6 or 6–7), since no player will be two points ahead. In the scoring of the set, sometimes the tiebreak points are shown as well as the game count, e.g., 710–68. Another way of listing the score of the tiebreak is to list only the loser's points. For example, if the set score is listed as 7–6(8), the tiebreak score was 10–8 (since the 8 is the loser's score, and the winner must win by two points). Similarly, 7–6(3) means the tiebreak score was 7–3.
Van Alen called his innovation a "tiebreaker", and he actually proposed two different kinds or versions of it: best-five-of-nine-points tiebreaker and best-seven-of-12-points tiebreaker. The first lasts a maximum of 9 points, and awards victory in the set to whichever player or team first reaches 5 points – even if the other player or team already has 4; the margin of victory can be a single point. Because this "9-point" tiebreaker must end after a maximum of 9 points, even if neither player or team has a 2-point (or greater) margin, Van Alen also called it a "sudden-death tiebreaker" (If and when the score reached four points all, both players faced simultaneous set point and/or match point.). This type of tiebreaker had its Grand Slam debut at 1970 US Open and was employed there until 1974. Apart from being used for 5 years at US Open it was also used 1 year at Wimbledon and for a while on the Virginia Slims circuit and in American Colleges.
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One of the many types of affordable racquets available to you is a junior tennis racquet. These are designed primarily for younger players, and they come in relatively small sizes in order to accommodate these players. It's never too early to start learning and practicing tennis, and with junior racquets, people of all ages can get in on the fun. Not only are these items short in length, but they are also comprised of lightweight materials that allow for smooth, maneuverable motions when swinging. These racquets typically range in size from 19 inches to 26 inches. Even though these tennis items are meant to be used by younger players, a junior tennis racquet can be used by anyone who prefers the feel of a smaller racquet.
The standard ProCushion System consists of 1 to 2 coats of Acrylic Resurfacer, 3 coats of CushionMaster™ II, 2 coats of CushionMaster™ I, and 2 coats of CushionMaster™ Neutral Base with ColorPlus™ Pigment Dispersion. SportMaster Color Concentrate or the SportMaster ColorPlus™ System may be substituted for the CushionMaster™ Neutral Base tennis court surfaces. (This is the standard system installation. Custom levels of cushion can also be achieved by adding or removing layers. Contact a SportMaster representative for details.)
The most common causes for that are actually the coaches themselves because they only correct technique rather than involve players in various drills that would take their attention off their body and make them focus on tasks like reading the incoming ball, improving timing and rhythm, improving the feel for the strokes, hitting targets on the court, working on tactics like making opponents run, looking to wrong foot the opponent, and so on.
There is a wide variety of racket designs, although the badminton racket size and shape are limited by the Laws. Different rackets have playing characteristics that appeal to different players. The traditional oval head shape is still available, but an isometric head shape is increasingly common in new rackets. Various companies have emerged but Yonex of Japan and Li-Ning of China are the dominant players in the market. The majority of top tournaments are sponsored by these companies. Every year new technology is introduced by these companies but predominantly, all rackets are made of carbon graphite composite.
The track opens with Lorde questioning "Don't you think that is boring how people talk?" with her, in the words of Lester, "sweet, sultry and sour" voice, which suggests "a frictional relationship with the high life". This line also summarises Pure Heroine's central theme of Lorde's observations and critiques of mainstream culture. Lorde repeats the tongue-in-cheek word "Yeah" after each verse. The refrain contains the lyrics "Baby be the class clown / I'll be the beauty queen in tears", which feature "class clown" and "beauty queen" stereotypes of high school students and express underlying sorrow behind superficial beauty. Follow-up lines "It's a new art form showing people how little we care / We're so happy even when we're smilin' out of fear" illustrate Lorde feigning disinterest when facing fame and adolescence. In the second verse, Lorde wonders about her future music career, therefrom expecting inevitable nostalgia of her non-celebrity lifestyle, "But my head's filling up with the wicked games, up in flames / How can I fuck with the fun again, when I'm known?" At the bridge, Lorde sings "I fall apart, with all my heart / And you can watch from your window", which HuffPost interpreted as a commentary on the breakdowns of teenage celebrities.
A denser pattern is often considered to deliver more control, at the expense of spin potential. A more open pattern is often believed to offer greater potential for power and spin. However, how much power is produced by a player can be strongly influenced by how a player adapts to the characteristics of the racket. Some players may hit harder with a dense string pattern, producing faster shots because of the added control from the dense pattern. Rackets, including those of much of the wood era, are marked with a recommended string tension range. The basic rule is that a lower tension creates more power (from the trampoline effect) and a higher string tension creates more control (less string deformation which results in a more predictable the power and angle of the departure from the string bed.) Some professionals used small-headed rackets with flexible-material strings (natural gut) strung at very high tension. Examples include Pete Sampras and Björn Borg. Some used large-headed rackets with very inflexible-material strings (kevlar). Andrei Agassi is an example. Many professionals during the standard wood era strung at relatively low tension and used natural gut string; both decisions were to increase the trampoline effect for more power. By contrast, almost every professional player today uses the much stiffer polyester string in their much stiffer rackets which also have larger heads and which tend to be lighter. Madeline Hauptman sold a line of rackets, called the MAD RAQ, which featured a Star of David pattern (a six-pointed figure consisting of two interlaced equilateral triangles), as it used three strings instead of two for stringing the racket. This pattern is used in snowshoes. This stringing pattern was said to feature less string notching, improving string lifespan. It was even claimed that many pro shops refused to carry the racket because less string breakage would reduce string and stringing service sales. It has also been claimed that the racket is more difficult to string than a two string racket. However, the Wilson T-2000-type requires a great deal more time for stringing than a typical racket and rackets of that series were very popular. Whatever the cause of the failure of the MAD RAQ in the marketplace, it was the only time a snowshoe pattern was used in tennis. Hauptman switched her racket line to a two string diamond pattern (PowerAngle). This pattern had already been used in much earlier rackets but had not had much popularity. It is said to be easier to string than the MAD RAQ but does not have the benefit of reduced string notching, at least not to the same degree. The claim is that this diagonal pattern offers more comfort than a traditional square pattern.
Most large tournaments seed players, but players may also be matched by their skill level. According to how well a person does in sanctioned play, a player is given a rating that is adjusted periodically to maintain competitive matches. For example, the United States Tennis Association administers the National Tennis Rating Program (NTRP), which rates players between 1.0 and 7.0 in 1/2 point increments. Average club players under this system would rate 3.0–4.5 while world class players would be 7.0 on this scale.
After this Incident 6 Month Later I injured my Left Ankle in The MRI Scan I found my ankle Ligament is tear so I visited the doctor After getting the report and checking my ankle doctor said you need to take rest couple of month after getting lot of ERP and NIDDLE THERAPY finally after 1.5 year later my ankle is now in that position so that I can play tennis.
Ball boys and girls may be employed to retrieve balls, pass them to the players, and hand players their towels. They have no adjudicative role. In rare events (e.g., if they are hurt or if they have caused a hindrance), the umpire may ask them for a statement of what actually happened. The umpire may consider their statements when making a decision. In some leagues, especially junior leagues, players make their own calls, trusting each other to be honest. This is the case for many school and university level matches. The referee or referee's assistant, however, can be called on court at a player's request, and the referee or assistant may change a player's call. In unofficiated matches, a ball is out only if the player entitled to make the call is sure that the ball is out.