Selasa, 09 Agustus 2011

Football



     Football may refer to one of a number of team sports which all involve, to varying degrees, kicking a ball with the foot to score a goal. The most popular of these sports worldwide is association football, more commonly known as just "football" or "soccer". Unqualified, the word football applies to whichever form of football is the most popular in the regional context in which the word appears, including American football, Australian rules football, Canadian football, Gaelic football, rugby league, rugby union and other related games. These variations of football are known as football "codes".


Common Elements

The various codes of football share the following common elements:
  • Two teams of usually between 11 and 18 players; some variations that have fewer players (five or more per team) are also popular.
  • A clearly defined area in which to play the game.
  • Scoring goals or points, by moving the ball to an opposing team's end of the field and either into a goal area, or over a line.
  • Goals or points resulting from players putting the ball between two goalposts.
  • The goal or line being defended by the opposing team.
  • Players being required to move the ball—depending on the code—by kicking, carrying, or hand-passing the ball.
  • Players using only their body to move the ball.
     In most codes, there are rules restricting the movement of players offside, and players scoring a goal must put the ball either under or over a crossbar between the goalposts. Other features common to several football codes include: points being mostly scored by players carrying the ball across the goal line; and players receiving a free kick after they take a mark or make a fair catch.

     Peoples from around the world have played games which involved kicking or carrying a ball, since ancient times. However, most of the modern codes of football have their origins in England.


Early History



     The Ancient Greeks and Romans are known to have played many ball games, some of which involved the use of the feet. The Roman game harpastum is believed to have been adapted from a Greek team game known as "ἐπίσκυρος" (episkyros)[3][4] or "φαινίνδα" (phaininda),[5] which is mentioned by a Greek playwright, Antiphanes (388–311 BC) and later referred to by the Christian theologian Clement of Alexandria (c.150-c.215 AD). These games appear to have resembled rugby football.[6][7][8][9][10] The Roman politician Cicero (106–43 BC) describes the case of a man who was killed whilst having a shave when a ball was kicked into a barber's shop. Roman ball games already knew the air-filled ball, the follis.[11][12]

     Documented evidence of an activity resembling football can be found in the Chinese military manual Zhan Guo Ce compiled between the 3rd century and 1st century BC.[13] It describes a practice known as cuju (蹴鞠, literally "kick ball"), which originally involved kicking a leather ball through a small hole in a piece of silk cloth which was fixed on bamboo canes and hung about 9 m above ground. During the Han Dynasty (206 BC–220 AD), cuju games were standardized and rules were established. Variations of this game later spread to Japan and Korea, known as kemari and chuk-guk respectively. Later, another type of goal posts emerged, consisting of just one goal post in the middle of the field.

     The Japanese version of cuju is kemari (蹴鞠), and was developed during the Asuka period. This is known to have been played within the Japanese imperial court in Kyoto from about 600 AD. In kemari several people stand in a circle and kick a ball to each other, trying not to let the ball drop to the ground (much like keepie uppie). The game appears to have died out sometime before the mid-19th century. It was revived in 1903 and is now played at a number of festivals.

     There are a number of references to traditional, ancient, or prehistoric ball games, played by indigenous peoples in many different parts of the world. For example, in 1586, men from a ship commanded by an English explorer named John Davis, went ashore to play a form of football with Inuit (Eskimo) people in Greenland.[15] There are later accounts of an Inuit game played on ice, called Aqsaqtuk. Each match began with two teams facing each other in parallel lines, before attempting to kick the ball through each other team's line and then at a goal. In 1610, William Strachey, a colonist at Jamestown, Virginia recorded a game played by Native Americans, called Pahsaheman. On the Australian continent several tribes of indigenous people played kicking and catching games with stuffed balls which have been generalised by historians as Marn Grook (Djab Wurrung for "game ball"). The earliest historical account is an anecdote from the 1878 book by Robert Brough-Smyth, The Aborigines of Victoria, in which a man called Richard Thomas is quoted as saying, in about 1841 in Victoria, Australia, that he had witnessed Aboriginal people playing the game: "Mr Thomas describes how the foremost player will drop kick a ball made from the skin of a possum and how other players leap into the air in order to catch it." Some historians have theorised that Marn Grook was one of the origins of Australian rules football.

     The Māori in New Zealand played a game called Ki-o-rahi consisting of teams of seven players play on a circular field divided into zones, and score points by touching the 'pou' (boundary markers) and hitting a central 'tupu' or target.

     Games played in Mesoamerica with rubber balls by indigenous peoples are also well-documented as existing since before this time, but these had more similarities to basketball or volleyball, and since their influence on modern football games is minimal, most do not class them as football. Northeastern American Indians, especially the Iroquois Confederation, played a game which made use of net racquets to throw and catch a small ball; however, although a ball-goal foot game, lacrosse (as its modern descendant is called) is likewise not usually classed as a form of "football."

     These games and others may well go far back into antiquity. However, the main sources of modern football codes appear to lie in western Europe, especially England.


Medieval And Early Modern Europe



     The Middle Ages saw a huge rise in popularity of annual Shrovetide football matches throughout Europe, particularly in England. The game played in England at this time may have arrived with the Roman occupation, but the only pre-Norman reference is to boys playing "ball games" in the 9th century Historia Brittonum. Reports of a game played in Brittany, Normandy, and Picardy, known as La Soule or Choule, suggest that some of these football games could have arrived in England as a result of the Norman Conquest.
 
     These forms of football, sometimes referred to as "mob football", would be played between neighbouring towns and villages, involving an unlimited number of players on opposing teams, who would clash in a heaving mass of people, struggling to move an item such as an inflated pig's bladder, to particular geographical points, such as their opponents' church. Shrovetide games have survived into the modern era in a number of English towns (see below).
The first detailed description of what was almost certainly football in England was given by William FitzStephen in about 1174–1183. He described the activities of London youths during the annual festival of Shrove Tuesday:
     After lunch all the youth of the city go out into the fields to take part in a ball game. The students of each school have their own ball; the workers from each city craft are also carrying their balls. Older citizens, fathers, and wealthy citizens come on horseback to watch their juniors competing, and to relive their own youth vicariously: you can see their inner passions aroused as they watch the action and get caught up in the fun being had by the carefree adolescents.[16]
     Most of the very early references to the game speak simply of "ball play" or "playing at ball". This reinforces the idea that the games played at the time did not necessarily involve a ball being kicked.
An early reference to a ball game that was probably football comes from 1280 at Ulgham, Northumberland, England: "Henry... while playing at ball.. ran against David".[17] Football was played in Ireland in 1308, with a documented reference to John McCrocan, a spectator at a "football game" at Newcastle, County Down being charged with accidentally stabbing a player named William Bernard.[18] Another reference to a football game comes in 1321 at Shouldham, Norfolk, England: "[d]uring the game at ball as he kicked the ball, a lay friend of his... ran against him and wounded himself".[17]

     In 1314, Nicholas de Farndone, Lord Mayor of the City of London issued a decree banning football in the French used by the English upper classes at the time. A translation reads: "[f]orasmuch as there is great noise in the city caused by hustling over large foot balls [rageries de grosses pelotes de pee] in the fields of the public from which many evils might arise which God forbid: we command and forbid on behalf of the king, on pain of imprisonment, such game to be used in the city in the future." This is the earliest reference to football.

     In 1363, King Edward III of England issued a proclamation banning "...handball, football, or hockey; coursing and cock-fighting, or other such idle games", showing that "football" — whatever its exact form in this case — was being differentiated from games involving other parts of the body, such as handball.
King Henry IV of England also presented one of the earliest documented uses of the English word "football", in 1409, when he issued a proclamation forbidding the levying of money for "foteball".[17][19]

     There is also an account in Latin from the end of the 15th century of football being played at Cawston, Nottinghamshire. This is the first description of a "kicking game" and the first description of dribbling: "[t]he game at which they had met for common recreation is called by some the foot-ball game. It is one in which young men, in country sport, propel a huge ball not by throwing it into the air but by striking it and rolling it along the ground, and that not with their hands but with their feet... kicking in opposite directions" The chronicler gives the earliest reference to a football pitch, stating that: "[t]he boundaries have been marked and the game had started.[17]

Other firsts in the mediæval and early modern eras:
  • "a football", in the sense of a ball rather than a game, was first mentioned in 1486.[19] This reference is in Dame Juliana Berners' Book of St Albans. It states: "a certain rounde instrument to play with ...it is an instrument for the foote and then it is calde in Latyn 'pila pedalis', a fotebal."[17]
  • a pair of football boots was ordered by King Henry VIII of England in 1526.[20]
  • women playing a form of football was in 1580, when Sir Philip Sidney described it in one of his poems: "[a] tyme there is for all, my mother often sayes, When she, with skirts tuckt very hy, with girles at football playes."[21]
  • the first references to goals are in the late 16th and early 17th centuries. In 1584 and 1602 respectively, John Norden and Richard Carew referred to "goals" in Cornish hurling. Carew described how goals were made: "they pitch two bushes in the ground, some eight or ten foote asunder; and directly against them, ten or twelue [twelve] score off, other twayne in like distance, which they terme their Goales".[22] He is also the first to describe goalkeepers and passing of the ball between players.
  • the first direct reference to scoring a goal is in John Day's play The Blind Beggar of Bethnal Green (performed circa 1600; published 1659): "I'll play a gole at camp-ball" (an extremely violent variety of football, which was popular in East Anglia). Similarly in a poem in 1613, Michael Drayton refers to "when the Ball to throw, And drive it to the Gole, in squadrons forth they goe".

Badminton


     Badminton is a racquet sport played by either two opposing players (singles) or two opposing pairs (doubles), who take positions on opposite halves of a rectangular court that is divided by a net. Players score points by striking a shuttlecock with their racquet so that it passes over the net and lands in their opponents' half of the court. Each side may only strike the shuttlecock once before it passes over the net. A rally ends once the shuttlecock has struck the floor.

     The shuttlecock (or shuttle) is a feathered projectile whose unique aerodynamic properties cause it to fly differently from the balls used in most racquet sports; in particular, the feathers create much higher drag, causing the shuttlecock to decelerate more rapidly than a ball. Shuttlecocks have a much higher top speed, when compared to other racquet sports. Because shuttlecock flight is affected by wind, competitive badminton is played indoors. Badminton is also played outdoors as a casual recreational activity, often as a garden or beach game.

     Since 1992, badminton has been an Olympic sport with five events: men's and women's singles, men's and women's doubles, and mixed doubles, in which each pair consists of a man and a woman. At high levels of play, the sport demands excellent fitness: players require aerobic stamina, agility, strength, speed and precision. It is also a technical sport, requiring good motor coordination and the development of sophisticated racquet movements.


Court



     The court is rectangular and divided into halves by a net. Courts are usually marked for both singles and doubles play, although the laws permit a court to be marked for singles only. The doubles court is wider than the singles court, but both are of same length. The exception, which often causes confusion to newer players, is that the doubles court has a shorter serve-length dimension.

     The full width of the court is 6.1 metres (20 ft), and in singles this width is reduced to 5.18 metres (17 ft). The full length of the court is 13.4 metres (44 ft). The service courts are marked by a centre line dividing the width of the court, by a short service line at a distance of 1.98 metres (6 ft 6 inch) from the net, and by the outer side and back boundaries. In doubles, the service court is also marked by a long service line, which is 0.76 metres (2 ft 6 inch) from the back boundary.

     The net is 1.55 metres (5 ft 1 inch) high at the edges and 1.524 metres (5 ft) high in the centre. The net posts are placed over the doubles sidelines, even when singles is played.

     The minimum height for the ceiling above the court is not mentioned in the Laws of Badminton. Nonetheless, a badminton court will not be suitable if the ceiling is likely to be hit on a high serve.


The Basics



     Each game is played to 21 points, with players scoring a point whenever they win a rally regardless of whether they served [7] (this differs from the old system where players could only win a point on their serve and each game was played to 15 points). A match is the best of three games.

     At the start of the rally, the server and receiver stand in diagonally opposite service courts (see court dimensions). The server hits the shuttlecock so that it would land in the receiver's service court. This is similar to tennis, except that a badminton serve must be hit below waist height and with the racquet shaft pointing downwards, the shuttlecock is not allowed to bounce and in badminton, the players stand inside their service courts unlike tennis.

     When the serving side loses a rally, the serve immediately passes to their opponent(s) (this differs from the old system where sometimes the serve passes to the doubles partner for what is known as a "second serve").
In singles, the server stands in their right service court when their score is even, and in her/his left service court when her/his score is odd.

     In doubles, if the serving side wins a rally, the same player continues to serve, but he/she changes service courts so that she/he serves to a different opponent each time. If the opponents win the rally and their new score is even, the player in the right service court serves; if odd, the player in the left service court serves. The players' service courts are determined by their positions at the start of the previous rally, not by where they were standing at the end of the rally. A consequence of this system is that, each time a side regains the service, the server will be the player who did not serve last time

Racquets



     Badminton racquets are lightweight, with top quality racquets weighing between 70 and 95 grams (2.4 to 3.3 ounces) not including grip or strings.[8][9] They are composed of many different materials ranging from carbon fibre composite (graphite reinforced plastic) to solid steel, which may be augmented by a variety of materials. Carbon fibre has an excellent strength to weight ratio, is stiff, and gives excellent kinetic energy transfer.

     Before the adoption of carbon fibre composite, racquets were made of light metals such as aluminium. Earlier still, racquets were made of wood. Cheap racquets are still often made of metals such as steel, but wooden racquets are no longer manufactured for the ordinary market, because of their excessive mass and cost. Nowadays, nanomaterials such as fullerene and carbon nanotubes are added to rackets giving them greater durability.

     There is a wide variety of racquet designs, although the laws limit the racquet size and shape. Different racquets 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 racquets.

Shoes



     Badminton shoes are lightweight with soles of rubber or similar high-grip, non-marking materials.

     Compared to running shoes, badminton shoes have little lateral support. High levels of lateral support are useful for activities where lateral motion is undesirable and unexpected. Badminton, however, requires powerful lateral movements. A highly built-up lateral support will not be able to protect the foot in badminton; instead, it will encourage catastrophic collapse at the point where the shoe's support fails, and the player's ankles are not ready for the sudden loading, which can cause sprains. For this reason, players should choose badminton shoes rather than general trainers or running shoes, because proper badminton shoes will have a very thin sole, lower a person's centre of gravity, and therefore result in fewer injuries. Players should also ensure that they learn safe and proper footwork, with the knee and foot in alignment on all lunges. This is more than just a safety concern: proper footwork is also critical in order to move effectively around the court.


Double



     Both pairs will try to gain and maintain the attack, smashing downwards when possible. Whenever possible, a pair will adopt an ideal attacking formation with one player hitting down from the rearcourt, and his partner in the midcourt intercepting all smash returns except the lift. If the rearcourt attacker plays a dropshot, his partner will move into the forecourt to threaten the net reply. If a pair cannot hit downwards, they will use flat strokes in an attempt to gain the attack. If a pair is forced to lift or clear the shuttlecock, then they must defend: they will adopt a side-by-side position in the rear midcourt, to cover the full width of their court against the opponents' smashes. In doubles, players generally smash to the middle ground between two players in order to take advantage of confusion and clashes.

     At high levels of play, the backhand serve has become popular to the extent that forehand serves have become fairly rare at a high level of play. The straight low serve is used most frequently, in an attempt to prevent the opponents gaining the attack immediately. Flick serves are used to prevent the opponent from anticipating the low serve and attacking it decisively.

     At high levels of play, doubles rallies are extremely fast. Men's doubles is the most aggressive form of badminton, with a high proportion of powerful jump smashes.

Single



     The singles court is narrower than the doubles court, but the same length. Since one person needs to cover the entire court, singles tactics are based on forcing the opponent to move as much as possible; this means that singles strokes are normally directed to the corners of the court. Players exploit the length of the court by combining lifts and clears with drop shots and net shots. Smashing is less prominent in singles than in doubles because players are rarely in the ideal position to execute a smash, and smashing often leaves the smasher vulnerable if the smash is returned.

     In singles, players will often start the rally with a forehand high serve or with a flick serve. Low serves are also used frequently, either forehand or backhand. Drive serves are rare.

     At high levels of play, singles demands extraordinary fitness. Singles is a game of patient positional manoeuvring, unlike the all-out aggression of doubles.


Mixed Doubles



     In mixed doubles, both pairs typically try to maintain an attacking formation with the woman at the front and the man at the back. This is because the male players are usually substantially stronger, and can therefore produce smashes that are more powerful. As a result, mixed doubles require greater tactical awareness and subtler positional play. Clever opponents will try to reverse the ideal position, by forcing the woman towards the back or the man towards the front. In order to protect against this danger, mixed players must be careful and systematic in their shot selection.[11]

     At high levels of play, the formations will generally be more flexible: the top women players are capable of playing powerfully from the back-court, and will happily do so if required. When the opportunity arises, however, the pair will switch back to the standard mixed attacking position, with the woman in front.