Field hockey - wikipedia Field hockey Field hockey A 2005 men 's field hockey international game between Argentina and Pakistan Highest governing body International Hockey Federation First played 19th century, England Characteristics Contact Limited Team members 11 field players Type outdoor and indoor Equipment Hockey ball, hockey stick, mouthguard, shinguards Presence Olympic 1908, 1920, 1928 -- present Field hockey is a team sport of the hockey family. The earliest origins of the game date back to the Middle Ages in England, Scotland, France and the Netherlands. The game can be played on a grass field, turf field or synthetic field as well as an indoor board surface. Each team plays with eleven players, including the goalie. Players use sticks made out of wood, carbon fibre, fibre glass or a combination of carbon fibre and fibre glass in different quantities ( with the higher carbon fibre stick being more expensive and less likely to break ) to hit a round, hard, plastic ball. The length of the stick depends on the player 's individual height. Only one end of the stick is allowed to be used. Goalies often have a different kind of stick, however they can also use an ordinary field hockey stick. The specific goal - keeping sticks have another curve at the end of the stick, this is to give them more surface area to save the ball. The uniform consists of shin guards, shoes, shorts, a mouth guard and a jersey. Today, the game is played globally, with particular popularity throughout Western Europe, the Indian subcontinent, Southern Africa, Australia, New Zealand, Argentina, and parts of the United States ( primarily New England and the Mid-Atlantic states ). The term `` field hockey '' is used primarily in Canada and the United States where ice hockey is more popular. In Sweden the term `` landhockey '' is used and to some degree also in Norway. It is a section of Norway 's Bandy Association. Until recently they called it `` hockey '', when it was changed to `` landhockey ''. During play, goal keepers are the only players who are allowed to touch the ball with any part of their body ( the player 's hand is considered ' part of the stick ' if on the stick ), while field players play the ball with the flat side of their stick. Goal keepers also can not play the ball with the back of their stick. Whoever scores the most goals by the end of the match wins. If the score is tied at the end of the game, either a draw is declared or the game goes into extra time or a penalty shootout, depending on the competition 's format. There are many variations to overtime play that depend on the league and tournament play. In college play, a seven - aside overtime period consists of a 10 - minute golden goal period with seven players for each team. If a tie still remains, the game enters a one - on - one competition where each team chooses 5 players to dribble from the 25 yard line down to the circle against the opposing goalie. The player has 8 seconds to score on the goalie keeping it in bounds. The play ends after a goal is scored, the ball goes out of bounds, a foul is committed ( ending in either a penalty stroke or flick or the end of the one on one ) or time expires. If the tie still persists extra rounds thereafter until one team has scored. The governing body of hockey is the International Hockey Federation ( FIH, in French ), with men and women being represented internationally in competitions including the Olympic Games, World Cup, World League, Champions Trophy and Junior World Cup, with many countries running extensive junior, senior, and masters club competitions. The FIH is also responsible for organising the Hockey Rules Board and developing the rules for the game. A popular variant of field hockey is indoor field hockey, which differs in a number of respects while embodying the primary principles of hockey. Indoor hockey is a 5 - a-side variant, with a field which is reduced to approximately 40 m × 20 m ( 131 ft × 66 ft ). With many of the rules remaining the same, including obstruction and feet, there are several key variations : Players may not raise the ball unless shooting on goal, players may not hit the ball ( instead using pushes to transfer the ball ), and the sidelines are replaced with solid barriers which the ball will rebound off. Contents 1 History 2 Field of play 2.1 Playing surface 3 Rules and play 3.1 The Game 3.2 Positions 3.2. 1 Formations 3.2. 2 Goalkeepers 3.3 General play 3.4 Set plays 3.4. 1 Free hits 3.4. 2 2009 experimental changes 3.4. 3 Attacking - free hit from quarter line 3.4. 4 Penalty corner 3.4. 5 Penalty stroke 3.5 Dangerous play and raised balls 3.6 Warnings and suspensions 3.7 Scoring 3.8 Rule change procedure 4 Local rules 5 Equipment 5.1 Field hockey stick 5.2 Field hockey ball 5.3 Goalkeeping equipment 6 Tactics 7 International competition 8 Variants 8.1 Hockey 5s 9 References 10 External links History Main article : Field hockey history Relief of 510 BC depicting ancient Greek players of kerētízein, an ancestral form of hockey or ground billiards ; in the National Archaeological Museum, Athens There is a depiction of a hockey - like game in Ancient Greece, dating to c. 510 BC, when the game may have been called Κερητίζειν ( kerētízein ) because it was played with a horn ( κέρας, kéras, in Ancient Greek ) and a ball. Researchers disagree over how to interpret this image. It could have been a team or one - on - one activity ( the depiction shows two active players, and other figures who may be teammates awaiting a face - off, or non-players waiting for their turn at play ). Billiards historians Stein and Rubino believe it was among the games ancestral to lawn - and - field games like hockey and ground billiards, and near - identical depictions ( but with only two figures ) appear both in the Beni Hasan tomb of Ancient Egyptian administrator Khety of the 11th Dynasty ( c. 2000 BCE ), and in European illuminated manuscripts and other works of the 14th through 17th centuries, showing contemporary courtly and clerical life. In East Asia, a similar game was entertained, using a carved wooden stick and ball prior, to 300 BC. In Inner Mongolia, China, the Daur people have for about 1,000 years been playing beikou, a game with some similarities to field hockey. A similar field hockey or ground billiards variant, called suigan, was played in China during the Ming dynasty ( 1368 -- 1644, post-dating the Mongol - led Yuan dynasty ). A game similar to hockey was played in the 17th century in Punjab state in India under name khido khundi ( khido refers to the woolen ball, and khundi to the stick ). In South America, most specifically in Chile, the local natives of the 16th century used to play a game called chueca, which also shares common elements with hockey. In Northern Europe, the games of hurling ( Ireland ) and Knattleikr ( Iceland ), both team balls games involving sticks to drive a ball to the opponents ' goal, date at least as far back as the Early Middle Ages. By the 12th century, a team ball game called la soule or choule, akin to a chaotic and sometimes long - distance version of hockey or rugby football ( depending on whether sticks were used in a particular local variant ), was regularly played in France and southern Britain between villages or parishes. Throughout the Middle Ages to the Early Modern era, such games often involved the local clergy or secular aristocracy, and in some periods were limited to them by various anti-gaming edicts, or even banned altogether. Stein and Rubino, among others, ultimately trace aspects of these games both to rituals in antiquity involving orbs and sceptres ( on the aristocratic and clerical side ), and to ancient military training exercises ( on the popular side ) ; polo ( essentially hockey on horseback ) was devised by the Ancient Persians for cavalry training, based on the local proto - hockey foot game of the region. The word hockey itself has no clear origin. One belief is that it was recorded in 1363 when Edward III of England issued the proclamation : `` Moreover we ordain that you prohibit under penalty of imprisonment all and sundry from such stone, wood and iron throwing ; handball, football, or hockey ; coursing and cock - fighting, or other such idle games. '' The belief is based on modern translations of the proclamation, which was originally in Latin and explicitly forbade the games `` Pilam Manualem, Pedivam, & Bacularem : & ad Canibucam & Gallorum Pugnam ''. It may be recalled at this point that baculum is the Latin for ' stick ', so the reference would appear to be to a game played with sticks. The English historian and biographer John Strype did not use the word `` hockey '' when he translated the proclamation in 1720, and the word ' hockey ' remains of unknown origin. The modern game grew from English public schools in the early 19th century. The first club was in 1849 at Blackheath in south - east London, but the modern rules grew out of a version played by Middlesex cricket clubs for winter game. Teddington Hockey Club formed the modern game by introducing the striking circle and changing the ball to a sphere from a rubber cube. The Hockey Association was founded in 1886. The first international competition took place in 1895 ( Ireland 3, Wales 0 ), and the International Rules Board was founded in 1900. A game of hockey being played between Germany and Scotland at the 1908 London Olympics Field hockey was played at the Summer Olympics in 1908 and 1920. It was dropped in 1924, leading to the foundation of the Fédération Internationale de Hockey sur Gazon ( FIH ) as an international governing body by seven continental European nations ; and hockey was reinstated as an Olympic game in 1928. Men 's hockey united under the FIH in 1970. The two oldest trophies are the Irish Senior Cup, which dates back to 1894, and the Irish Junior Cup, a second XI - only competition instituted in 1895. In India, the Beighton Cup and the Aga Khan tournament commenced within ten years. Entering the Olympics in 1928, India won all five games without conceding a goal, and won from 1932 until 1956 and then in 1964 and 1980. Pakistan won in 1960, 1968 and 1984. Indian player Dhyan Chand won Olympic gold medals for his team in 1928, 1932 and 1936. Photo shows him scoring a goal against Germany in the 1936 Olympics hockey final. In the early 1970s, artificial turf began to be used. Synthetic pitches changed most aspects of field hockey, gaining speed. New tactics and techniques such as the Indian dribble developed, followed by new rules to take account. The switch to synthetic surfaces ended Indian and Pakistani domination because artificial turf was too expensive in developing countries. Since the 1970s, Australia, the Netherlands, Pakistan and Germany have dominated at the Olympics and World Cup stages. Women 's field hockey was first played at British universities and schools. The first club, the Molesey Ladies, was founded in 1887. The first national association was the Irish Ladies Hockey Union in 1894, and though rebuffed by the Hockey Association, women 's field hockey grew rapidly around the world. This led to the International Federation of Women 's Hockey Association ( IFWHA ) in 1927, though this did not include many continental European countries where women played as sections of men 's associations and were affiliated to the FIH. The IFWHA held conferences every three years, and tournaments associated with these were the primary IFWHA competitions. These tournaments were non-competitive until 1975. By the early 1970s, there were 22 associations with women 's sections in the FIH and 36 associations in the IFWHA. Discussions started about a common rule book. The FIH introduced competitive tournaments in 1974, forcing the acceptance of the principle of competitive field hockey by the IFWHA in 1973. It took until 1982 for the two bodies to merge, but this allowed the introduction of women 's field hockey to the Olympic games from 1980 where, as in the men 's game, The Netherlands, Germany, and Australia have been consistently strong. Argentina has emerged as a team to be reckoned with since 2000, winning the world championship in 2002 and 2010 and medals at the last three Olympics. Outside North America, participation is now fairly evenly balanced between men and women. For example, in England, England Hockey reports that as of the 2008 -- 09 season there were 2488 registered men 's teams, 1969 women 's teams, 1042 boys ' teams, 966 girls ' teams and 274 mixed teams. In 2006 the Irish Hockey Association reported that the gender split among its players was approximately 65 % female and 35 % male. In its 2008 census, Hockey Australia reported 40,534 male club players and 41,542 female. However, in the United States of America, there are few field hockey clubs, most play taking place between high school or college sides, consisting almost entirely of women. The strength of college field hockey reflects the impact of Title IX which mandated that colleges should fund men 's and women 's games programmes comparably. The game 's roots in the English public girls ' school mean that the game is associated in the UK with active or overachieving middle class and upper class women. For example, in Nineteen Eighty - Four, George Orwell 's novel set in a totalitarian London, main character Winston Smith initially dislikes Julia, the woman he comes to love, because of `` the atmosphere of hockey - fields and cold baths and community hikes and general clean - mindedness which she managed to carry about with her. '' Field of play Main article : Field hockey pitch Diagram of a hockey field Most hockey field dimensions were originally fixed using whole numbers of imperial measures. Nevertheless, metric measurements are now the official dimensions as laid down by the International Hockey Federation ( FIH ) in the `` Rules of Hockey ''. The pitch is a 91.4 m × 55 m ( 100.0 yd × 60.1 yd ) rectangular field. At each end is a goal 2.14 m ( 7 ft ) high and 3.66 m ( 12 ft ) wide, as well as lines across the field 22.90 m ( 25 yd ) from each end - line ( generally referred to as the 23 - metre lines or the 25 - yard lines ) and in the center of the field. A spot 0.15 m ( 6 in ) in diameter, called the penalty spot or stroke mark, is placed with its centre 6.40 m ( 7 yd ) from the centre of each goal. The shooting circle is 15 m ( 16 yd ) from the base line. Playing surface Historically the game developed on natural grass turf. In the early 1970s, `` synthetic grass '' fields began to be used for hockey, with the first Olympic Games on this surface being held at the 1976 Montreal edition. Synthetic pitches are now mandatory for all international tournaments and for most national competitions. While hockey is still played on traditional grass fields at some local levels and lesser national divisions, it has been replaced by synthetic surfaces almost everywhere in the western world. There are three main types of artificial hockey surface : Unfilled or water based - artificial fibres that are densely packed for stabilisation, requires irrigation or watering to avoid pitch wear Dressed or sand dressed - artificial fibres can be less densely packed and sand supports the fibres for part of the pile depth Filled or sand filled - artificial fibres can be longer and less densely packed and sand supports the fibres for 100 % of the pile depth Since the 1970s, sand - based pitches have been favoured as they dramatically speed up the game. However, in recent years there has been a massive increase in the number of `` water - based '' artificial turfs. Water - based synthetic turfs enable the ball to be transferred more quickly than on sand - based surfaces. It is this characteristic that has made them the surface of choice for international and national league competitions. Water - based surfaces are also less abrasive than sand - based surfaces and reduce the level of injury to players when they come into contact with the surface. The FIH are now proposing that new surfaces being laid should be of a hybrid variety which require less watering. This is due to the negative ecological effects of the high water requirements of water - based synthetic fields. It has also been stated that the decision to make artificial surfaces mandatory greatly favoured more affluent countries who could afford these new pitches. Rules and play The game is played between two teams of whom eleven are permitted to be on the pitch at any one time. The remaining players may be substituted in any combination. There is an unlimited number of times a team can sub in and out. Substitutions are permitted at any point in the game, apart from between the award and end of a penalty corner ; two exceptions to this rule is for injury or suspension of the defending goalkeeper, which is not allowed when playing with a field keep, or a player can exit the field, but you must wait until after the inserter touches the ball to put somebody back in. Players are permitted to play the ball with the flat of the ' face side ' and with the edges of the head and handle of the field hockey stick with the exception that, for reasons of safety, the ball may not be struck ' hard ' with a forehand edge stroke, because of the difficulty of controlling the height and direction of the ball from that stroke. The flat side is always on the `` natural '' side for a right - handed person swinging the stick at the ball from right to left. Left - handed sticks are rare, but available ; however they are pointless as the rules forbid their use in a game. To make a strike at the ball with a left - to - right swing the player must present the flat of the ' face ' of the stick to the ball by ' reversing ' the stick head, i.e. by turning the handle through approximately 180 ° ( while a reverse edge hit would turn the stick head through approximately 90 ° from the position of an upright forehand stroke with the ' face ' of the stick head ). Edge hitting of the ball underwent a two - year `` experimental period '', twice the usual length of an `` experimental trial '' and is still a matter of some controversy within the game. Ric Charlesworth, the former Australian coach, has been a strong critic of the unrestricted use of the reverse edge hit. The ' hard ' forehand edge hit was banned after similar concerns were expressed about the ability of players to direct the ball accurately, but the reverse edge hit does appear to be more predictable and controllable than its counterpart. This type of hit is now more commonly referred to as the `` forehand sweep '' where the ball is hit with the flat side or `` natural '' side of the stick and not the rounded edge. Other rules include ; no foot - to - ball contact, no use of hands, no obstructing other players, no high back swing, and no third party. If a player is dribbling the ball and either loses control and kicks the ball or another player interferes that player is not permitted to gain control and continue dribbling. The rules do not allow the person who kicked the ball to gain advantage from the kick, so the ball will automatically be passed on to the opposing team. Conversely, if no advantage is gained from kicking the ball, play should continue. Players may not obstruct another 's chance of hitting the ball in any way. No shoving / using your body / stick to prevent advancement in the other team. Penalty for this is the opposing team receives the ball and if the problem continues, the player can be carded. While a player is taking a free hit or starting a corner the back swing of their hit can not be too high for this is considered dangerous. Finally there may not be three players touching the ball at one time. Two players from opposing teams can battle for the ball, however if another player interferes it is considered third party and the ball automatically goes to the team who only had one player involved in the third party. The game The game consists of four quarters of 15 minutes each and a 40 - second time out after a penalty corner is awarded or a goal is scored. The game begins with a pass from one teammate to another in the middle of the pitch at the halfway line, this pass is undefended. the team consists of eleven players, the players are usually set up as follows : three forwards, three mid-fields, three defenders, one sweeper, and one goalie. These positions change and adapt throughout a match according to the play and position of the ball. Positions A Virginia Cavaliers field player passing the ball When hockey positions are discussed, notions of fluidity are very common. Each team can be fielded with a maximum of 11 players and will typically arrange themselves into forwards, midfielders, and defensive players ( fullbacks ) with players frequently moving between these lines with the flow of play. Each team may also play with : * a goalkeeper who wears a different color shirt and full protective equipment comprising at least headgear, leg guards and kickers ; this player is referred to in the rules as a goalkeeper ; or * a field player with goalkeeping privileges wearing a different color shirt and who may wear protective headgear ( but not leg guards and kickers or other goalkeeping protective equipment ) when inside their defending 23m area ; they must wear protective headgear when defending a penalty corner or stroke ; this player is referred to in the rules as a player with goalkeeping privileges ; or * Only field players ; no player has goalkeeping privileges or wears a different color shirt ; no player may wear protective headgear except a face mask when defending a penalty corner or stroke. Formations As hockey has a very dynamic style of play, it is difficult to simplify positions to the static formations which are common in association football. Although positions will typically be categorized as either fullback, halfback, midfield / inner or striker, it is important for players to have an understanding of every position on the field. For example, it is not uncommon to see a halfback overlap and end up in either attacking position, with the midfield and strikers being responsible for re-adjusting to fill the space they left. Movement between lines like this is particularly common across all positions. This fluid Australian culture of hockey has been responsible for developing an international trend towards players occupying spaces on the field, not having assigned positions. Although they may have particular spaces on the field which they are more comfortable and effective as players, they are responsible for occupying the space nearest them. This fluid approach to hockey and player movement has made it easy for teams to transition between formations such as ; `` 3 at the back '', `` 2 centre halves '', `` 5 at the front '', and more. Goalkeepers When the ball is inside the circle they are defending and they have their stick in their hand, goalkeepers wearing full protective equipment are permitted to use their stick, feet, kickers or leg guards to propel the ball and to use their stick, feet, kickers, leg guards or any other part of their body to stop the ball or deflect it in any direction including over the back line. Similarly, field players are permitted to use their stick. They are not allowed to use their feet and legs to propel the ball, stop the ball or deflect it in any direction including over the back line. However, neither goalkeepers, or players with goalkeeping privileges are permitted to conduct themselves in a manner which is dangerous to other players by taking advantage of the protective equipment they wear. Neither goalkeepers or players with goalkeeping privileges may lie on the ball, however, they are permitted to use arms, hands and any other part of their body to push the ball away. Lying on the ball deliberately will result in a penalty stroke, whereas if an umpire deems a goalkeeper has lain on the ball accidentally ( e.g. it gets stuck in their protective equipment ), a penalty corner is awarded. * The action above is permitted only as part of a goal saving action or to move the ball away from the possibility of a goal scoring action by opponents. It does not permit a goalkeeper or player with goalkeeping privileges to propel the ball forcefully with arms, hands or body so that it travels a long distance When the ball is outside the circle they are defending, goalkeepers or players with goalkeeping privileges are only permitted to play the ball with their stick. Further, a goalkeeper, or player with goalkeeping privileges who is wearing a helmet, must not take part in the match outside the 23m area they are defending, except when taking a penalty stroke. A goalkeeper must wear protective headgear at all times, except when taking a penalty stroke. General play For the purposes of the rules, all players on the team in possession of the ball are attackers, and those on the team without the ball are defenders, yet throughout the game being played you are always `` defending '' your goal and `` attacking '' the opposite goal. Sideline hit in a match Standard Athletic Club vs. British School of Paris ( 1996 ) The match is officiated by two field umpires. Traditionally each umpire generally controls half of the field, divided roughly diagonally. These umpires are often assisted by a technical bench including a timekeeper and record keeper. Prior to the start of the game, a coin is tossed and the winning captain can choose a starting end or whether to start with the ball. Since 2017 the game consists of four periods of 15 minutes with a 2 - minute break after every period, and a 15 - minute break at half time before changing ends. At the start of each period, as well as after goals are scored, play is started with a pass from the centre of the field. All players must start in their defensive half ( apart from the player making the pass ), but the ball may be played in any direction along the floor. Each team starts with the ball in one half, and the team that conceded the goal has possession for the restart. Teams trade sides at halftime. Field players may only play the ball with the face of the stick. If the back side of the stick is used, it is a penalty and the other team will get the ball back. Tackling is permitted as long as the tackler does not make contact with the attacker or the other persons stick before playing the ball ( contact after the tackle may also be penalized if the tackle was made from a position where contact was inevitable ). Further, the player with the ball may not deliberately use his body to push a defender out of the way. Field players may not play the ball with their feet, but if the ball accidentally hits the feet, and the player gains no benefit from the contact, then the contact is not penalized. Although there has been a change in the wording of this rule from 1 January 2007, the current FIH umpires ' briefing instructs umpires not to change the way they interpret this rule. Obstruction typically occurs in three circumstances -- when a defender comes between the player with possession and the ball in order to prevent them tackling ; when a defender 's stick comes between the attacker 's stick and the ball or makes contact with the attacker 's stick or body ; and also when blocking the opposition 's attempt to tackle a teammate with the ball ( called third party obstruction ). When the ball passes completely over the sidelines ( on the sideline is still in ), it is returned to play with a sideline hit, taken by a member of the team whose players were not the last to touch the ball before crossing the sideline. The ball must be placed on the sideline, with the hit taken from as near the place the ball went out of play as possible. If it crosses the back line after last touched by an attacker, a 15 m ( 16 yd ) hit is awarded. A 15 m hit is also awarded for offences committed by the attacking side within 15 m of the end of the pitch they are attacking. Set plays Set plays are often utilized for specific situations such as a penalty corner or free hit. For instance, many teams have penalty corner variations that they can use to beat the defensive team. The coach may have plays that sends the ball between two defenders and lets the player attack the opposing team 's goal. There are no set plays unless your team has them. Free hits Free hits are awarded when offences are committed outside the scoring circles ( the term ' free hit ' is standard usage but the ball need not be hit ). The ball may be hit, pushed or lifted in any direction by the team offended against. The ball can be lifted from a free hit but not by hitting, you must flick or scoop to lift from a free hit. ( In previous versions of the rules, hits in the area outside the circle in open play have been permitted but lifting one direction from a free hit was prohibited ). Opponents must move 5 m ( 5.5 yd ) from the ball when a free hit is awarded. A free hit must be taken from within playing distance of the place of the offence for which it was awarded and the ball must be stationary when the free hit is taken. As mentioned above, a 15 m hit is awarded if an attacking player commits a foul forward of that line, or if the ball passes over the back line off an attacker. These free hits are taken in - line with where the foul was committed ( taking a line parallel with the sideline between where the offence was committed, or the ball went out of play ). When an attacking free hit is awarded within 5 m of the circle everyone including the person taking the penalty must be five metres from the circle and everyone apart from the person taking the free hit must be five metres away from the ball. When taking an attacking free hit, the ball may not be hit straight into the circle if you are within your attacking 23 meter area ( 25 yard area ). It must travel 5 meters before going in. 2009 experimental changes In February 2009 the FIH introduced, as a `` Mandatory Experiment '' for international competition, an updated version of the free - hit rule. The changes allows a player taking a free hit to pass the ball to themselves. Importantly, this is not a `` play on '' situation, but to the untrained eye it may appear to be. The player must play the ball any distance in two separate motions, before continuing as if it were a play - on situation. They may raise an aerial or overhead immediately as the second action, or any other stroke permitted by the rules of field hockey. At high - school level, this is called a self pass and was adopted in Pennsylvania in 2010 as a legal technique for putting the ball in play. Also, all players ( from both teams ) must be at least 5 m from any free hit awarded to the attack within the 23 m area. The ball may not travel directly into the circle from a free hit to the attack within the 23 m area without first being touched by another player or being dribbled at least 5 m by a player making a `` self - pass ''. These experimental rules apply to all free - hit situations, including sideline and corner hits. National associations may also choose to introduce these rules for their domestic competitions. Attacking - free hit from quarter line A free hit from the quarter line is awarded to the attacking team if the ball goes over the back - line after last being touched by a defender, provided they do not play it over the back - line deliberately, in which case a penalty corner is awarded. This free hit is played by the attacking team from a spot on the quarter line closest to where the ball went out of play. All the parameters of an attacking free hit within the attacking quarter of the playing surface apply. Penalty corner The short or penalty corner is awarded : A group of five defenders, including the goalkeeper, prepare on the back line for a short corner. for an offence by a defender in the circle which does not prevent the probable scoring of a goal ; for an intentional offence in the circle by a defender against an opponent who does not have possession of the ball or an opportunity to play the ball ; for an intentional offence by a defender outside the circle but within the 23 - metre area they are defending ; for intentionally playing the ball over the back line by a defender ; when the ball becomes lodged in a player 's clothing or equipment while in the circle they are defending. Short corners begin with five defenders ( usually including the keeper ) positioned behind the back line and the ball placed at least 10 yards from the nearest goal post. All other players in the defending team must be beyond the centre line, that is not in their ' own ' half of the pitch, until the ball is in play. Attacking players begin the play standing outside the scoring circle, except for one attacker who starts the corner by playing the ball from a mark 10 m either side of the goal ( the circle has a 14.63 m radius ). This player puts the ball into play by pushing or hitting the ball to the other attackers outside the circle ; the ball must pass outside the circle and then put back into the circle before the attackers may make a shot at the goal from which a goal can be scored. FIH rules do not forbid a shot at goal before the ball leaves the circle after being ' inserted ', nor is a shot at the goal from outside the circle prohibited, but a goal can not be scored at all if the ball has not gone out of the circle and can not be scored from a shot from outside the circle if it is not again played by an attacking player before it enters the goal. For safety reasons, the first shot of a penalty corner must not exceed 460 mm high ( the height of the `` backboard '' of the goal ) at the point it crosses the goal line if it is hit. However, if the ball is deemed to be below backboard height, the ball can be subsequently deflected above this height by another player ( defender or attacker ), providing that this deflection does not lead to danger. Note that the `` Slap '' stroke ( a sweeping motion towards the ball, where the stick is kept on or close to the ground when striking the ball ) is classed as a hit, and so the first shot at goal must be below backboard height for this type of shot also. If the first shot at goal in a short corner situation is a push, flick or scoop, in particular the drag flick ( which has become popular at international and national league standards ), the shot is permitted to rise above the height of the backboard, as long as the shot is not deemed dangerous to any opponent. This form of shooting was developed because it is not height restricted in the same way as the first hit shot at the goal and players with good technique are able to drag - flick with as much power as many others can hit a ball. Penalty stroke Main article : Penalty stroke A penalty stroke is awarded when a defender commits a foul in the circle ( accidental or otherwise ) that prevents a probable goal or commits a deliberate foul in the circle or if defenders repeatedly run from the back line too early at a penalty corner. The penalty stroke is taken by a single attacker in the circle, against the goalkeeper, from a spot 6.4 m from goal. The ball is played only once at goal by the attacker using a push, flick or scoop stroke. If the shot is saved, play is restarted with a 15 m hit to the defenders. When a goal is scored, play is restarted in the normal way. Dangerous play and raised balls According to the current Rules of Hockey 2017 issued by the FIH there are only two criteria for a dangerously played ball. The first is legitimate evasive action by an opponent ( what constitutes legitimate evasive action is an umpiring judgment ). The second is specific to the rule concerning a shot at goal at a penalty corner but is generally, if somewhat inconsistently, applied throughout the game and in all parts of the pitch : it is that a ball lifted above knee height and at an opponent who is within 5m of the ball is certainly dangerous. The velocity of the ball is not mentioned in the rules concerning a dangerously played ball. A ball that hits a player above the knee may on some occasions not be penalized, this is at the umpire 's discretion. A jab tackle, for example, might accidentally lift the ball above knee height into an opponent from close range but at such low velocity as not to be, in the opinion of the umpire, dangerous play. In the same way a high - velocity hit at very close range into an opponent, but below knee height, could be considered to be dangerous or reckless play in the view of the umpire, especially when safer alternatives are open to the striker of the ball. A ball that has been lifted high so that it will fall among close opponents may be deemed to be potentially dangerous and play may be stopped for that reason. A lifted ball that is falling to a player in clear space may be made potentially dangerous by the actions of an opponent closing to within 5m of the receiver before the ball has been controlled to ground -- a rule which is often only loosely applied ; the distance allowed is often only what might be described as playing distance, 2 -- 3 m, and opponents tend to be permitted to close on the ball as soon as the receiver plays it : these unofficial variations are often based on the umpire 's perception of the skill of the players i.e. on the level of the game, in order to maintain game flow, which umpires are in general in both Rules and Briefing instructed to do, by not penalising when it is unnecessary to do so ; this is also a matter at the umpire 's discretion. The term `` falling ball '' is important in what may be termed encroaching offences. It is generally only considered an offence to encroach on an opponent receiving a lifted ball that has been lifted to above head height ( although the height is not specified in rule ) and is falling. So, for example, a lifted shot at the goal which is still rising as it crosses the goal line ( or would have been rising as it crossed the goal line ) can be legitimately followed up by any of the attacking team looking for a rebound. In general even potentially dangerous play is not penalised if an opponent is not disadvantaged by it or, obviously, not injured by it so that he can not continue. A personal penalty, that is a caution or a suspension, rather than a team penalty, such as a free ball or a penalty corner, may be ( many would say should be or even must be, but again this is at the umpire 's discretion ) issued to the guilty party after an advantage allowed by the umpire has been played out in any situation where an offence has occurred, including dangerous play ( but once advantage has been allowed the umpire can not then call play back and award a team penalty ). It is not an offence to lift the ball over an opponent 's stick ( or body on the ground ), provided that it is done with consideration for the safety of the opponent and not dangerously. For example, a skillful attacker may lift the ball over a defenders stick or prone body and run past them, however if the attacker lifts the ball into or at the defender 's body, this would almost certainly be regarded as dangerous. It is not against the rules to bounce the ball on the stick and even to run with it while doing so, as long as that does not lead to a potentially dangerous conflict with an opponent who is attempting to make a tackle. For example, two players trying to play at the ball in the air at the same time, would probably be considered a dangerous situation and it is likely that the player who first put the ball up or who was so ' carrying ' it would be penalised. Dangerous play rules also apply to the usage of the stick when approaching the ball, making a stroke at it ( replacing what was at one time referred to as the `` sticks '' rule, which once forbade the raising of any part of the stick above the shoulder during any play. This last restriction has been removed but the stick should still not be used in a way that endangers an opponent ) or attempting to tackle, ( fouls relating to tripping, impeding and obstruction ). The use of the stick to strike an opponent will usually be much more severely dealt with by the umpires than offences such as barging, impeding and obstruction with the body, although these are also dealt with firmly, especially when these fouls are intentional : field hockey is a non-contact game. Players may not play or attempt to play at the ball above their shoulders unless trying to save a shot that could go into the goal, in which case they are permitted to stop the ball or deflect it safely away. A swing, as in a hit, at a high shot at the goal ( or even wide of the goal ) will probably be considered dangerous play if at opponents within 5 m and such a stroke would be contrary to rule in these circumstances anyway. Within the English National League it is now a legal action to take a ball above shoulder height if completed using a controlled action. Warnings and suspensions The penalty cards green card ( warning with 2 min suspension ) yellow card ( suspension of 5 / 10 mins depending on intensity of foul ) red card ( permanent suspension ) Hockey uses a three - tier penalty card system of warnings and suspensions : A Penn State player receives a green card. When shown a green card, the player may have to leave the field for two minutes, depending on national regulations, though at international standards the player has to leave the field for two minutes, but any further infractions will result in a yellow or red card. A yellow card is an official suspension similar to the penalty box in ice hockey. The duration is decided by the umpire issuing the card and the player must go to a pre-defined area of the pitch as chosen by the umpires, or by the local / state / national association of that country ; in this case generally it will be in the rule book where that player must go to, at the beginning of the match. Most umpires will opt for a minimum of five minutes ' duration without substitution ; the maximum time is at the discretion of the umpire, depending on the seriousness of the offence ; for example the second yellow to the same player or the first for danger might be given ten minutes. ( In some modes, including indoor, shorter periods of suspension are applied, dependent on local rules. ) However it is possible to send a player off for the remainder of the match if the penalty time is longer than the time remaining in the match. Depending on national rules, if a coach is sent off a player may have to leave the field too for the time the coach is sent off. A red card, just like in association football, is a permanent exclusion from the rest of the game, without substitution, and usually results in the player being banned for a certain period of time or number of matches ( this is governed by local playing conditions, rather than the rules of field hockey ). The player must also leave the pitch and surrounding area. If a coach is sent off, depending on local rules, a player may have to leave the field for the remaining length of the match. In addition to their colours, field hockey penalty cards are often shaped differently, so they can be recognized easily. Green cards are normally triangular, yellow cards rectangular and red cards circular. Unlike football, a player may receive more than one green or yellow card. However, they can not receive the same card for the same offence ( for example two yellows for dangerous play ), and the second must always be a more serious card. In the case of a second yellow card for a different breach of the rules ( for example a yellow for deliberate foot, and a second later in the game for dangerous play ) the temporary suspension would be expected to be of considerably longer duration than the first. However, local playing conditions may mandate that cards are awarded only progressively, and not allow any second awards. Umpires, if the free hit would have been in the attacking 23 m area, may upgrade the free hit to a penalty corner for dissent or other misconduct after the free hit has been awarded. Scoring The teams ' object is to play the ball into their attacking circle and, from there, hit, push or flick the ball into the goal, scoring a goal. The team with more goals after 60 minutes wins the game. The playing time may be shortened, particularly when younger players are involved, or for some tournament play. If the game is played in a countdown clock, like ice hockey, a goal can only count if the ball completely crosses the goaline and into the goal before time expires, not when the ball leaves the stick in the act of shooting. Main article : Penalty shoot - out ( field hockey ) In many competitions ( such as regular club competition, or in pool games in FIH international tournaments such as the Olympics or the World Cup ), a tied result stands and the overall competition standings are adjusted accordingly. Since March 2013, when tie breaking is required, the official FIH Tournament Regulations mandate to no longer have extra time and go directly into a penalty shoot - out when a classification match ends in a tie. However, many associations follow the previous procedure consisting of two periods of 7.5 minutes of `` golden goal '' extra time during which the game ends as soon as one team scores. Rule change procedure The FIH implemented a two - year rules cycle with the 2007 -- 08 edition of the rules, with the intention that the rules be reviewed on a biennial basis. The 2009 rulebook was officially released in early March 2009 ( effective 1 May 2009 ), however the FIH published the major changes in February. The current rule book is effective from 1 January 2017. The FIH has adopted a policy of including major changes to the rules as `` Mandatory Experiments '', showing that they must be played at international level, but are treated as experimental and will be reviewed before the next rulebook is published and either changed, approved as permanent rules, or deleted. Local rules There are sometimes minor variations in rules from competition to competition ; for instance, the duration of matches is often varied for junior competitions or for carnivals. Different national associations also have slightly differing rules on player equipment. The new Euro Hockey League and the Olympics has made major alterations to the rules to aid television viewers, such as splitting the game into four quarters, and to try to improve player behavior, such as a two - minute suspension for green cards -- the latter was also used in the 2010 World Cup and 2016 Olympics. In the United States, the NCAA has its own rules for inter-collegiate competitions ; high school associations similarly play to different rules, usually using the rules published by the National Federation of State High School Associations ( NFHS ). This article assumes FIH rules unless otherwise stated. USA Field Hockey produces an annual summary of the differences. In the United States, the games at the junior high level consist of four 12 - minute periods, while the high - school level consists of four 15 - minute periods. Many private American schools play 12 - minute quarters, and some have adopted FIH rules rather than NFHS rules. Players are required to wear mouth guards and shin guards in order to play the game. Also, there is a newer rule requiring certain types of sticks be used. In recent years, the NFHS rules have moved closer to FIH, but in 2011 a new rule requiring protective eyewear was introduced for the 2011 Fall season. Metal ' cage style ' goggles favored by US high school lacrosse and permitted in high school field hockey is prohibited under FIH rules. Equipment Field hockey stick Main article : Field hockey stick Naming parts of stick Each player carries a `` stick '' that normally measures between 80 -- 95 cm ( 31 -- 38 `` ) ; shorter or longer sticks are available. Sticks were traditionally made of wood, but are now often made also with fibreglass, kevlar or carbon fibre composites. Metal is forbidden from use in field hockey sticks, due to the risk of injury from sharp edges if the stick were to break. The stick has a rounded handle, has a J - shaped hook at the bottom, and is flattened on the left side ( when looking down the handle with the hook facing upwards ). All sticks must be right - handed ; left - handed ones are prohibited. There was traditionally a slight curve ( called the bow, or rake ) from the top to bottom of the face side of the stick and another on the ' heel ' edge to the top of the handle ( usually made according to the angle at which the handle part was inserted into the splice of the head part of the stick ), which assisted in the positioning of the stick head in relation to the ball and made striking the ball easier and more accurate. The hook at the bottom of the stick was only recently the tight curve ( Indian style ) that we have nowadays. The older ' English ' sticks had a longer bend, making it very hard to use the stick on the reverse. For this reason players now use the tight curved sticks. The handle makes up about the top third of the stick. It is wrapped in a grip similar to that used on tennis racket. The grip may be made of a variety of materials, including chamois leather, which many players think improves grip in the wet. It was recently discovered that increasing the depth of the face bow made it easier to get high speeds from the dragflick and made the stroke easier to execute. At first, after this feature was introduced, the Hockey Rules Board placed a limit of 50 mm on the maximum depth of bow over the length of the stick but experience quickly demonstrated this to be excessive. New rules now limit this curve to under 25 mm so as to limit the power with which the ball can be flicked. Field hockey ball A field hockey ball with a 5 franc coin Standard field hockey balls are hard spherical balls, made of plastic ( sometimes over a cork core ), and are usually white, although they can be any colour as long as they contrast with the playing surface. The balls have a diameter of 71.3 -- 74.8 mm ( 2.81 -- 2.94 in ) and a mass of 156 -- 163 g ( 5.5 -- 5.7 oz ). The ball is often covered with indentations to reduce aquaplaning that can cause an inconsistent ball speed on wet surfaces. An assembly of field hockey balls and a roller hockey puck Goalkeeping equipment A goalkeeper makes a glove save. Equipment worn here is typical gear for a field hockey goalkeeper. The 2007 rulebook has seen major changes regarding goalkeepers. A fully equipped goalkeeper must wear a helmet, leg guards and kickers. Usually the field hockey goalkeepers must wear extensive additional protective equipment including chest guards, padded shorts, heavily padded hand protectors, groin protectors, neck guards, arm guards, and like all players, they must carry a stick. A goalie may not cross the 23 m line, the sole exception to this being if the goalkeeper is to take a penalty stroke at the other end of the field, when the clock is stopped. The goalkeeper can also remove their helmet for this action. However, if the goalkeeper elects to wear only a helmet ( and a different colored shirt ), they may cross the 23 m line if they have removed their helmet ( and placed it safely off the field of play ). If play returns to the circle without them having opportunity to replace the helmet, this player still has `` goalkeeping privileges '', that is, they are not limited to using their stick to play the ball whilst it is in the circle, and the helmet must be worn whilst defending penalty corners and penalty strokes but the best thing to do would be to wear it at all times. While goaltenders are allowed to use their feet and hands to clear the ball, they too are only allowed to use one side of their stick. Slide tackling is permitted as long as it is with the intention of clearing the ball, not aimed at a player. It is now also even possible for teams to have a full eleven outfield players and no goalkeeper at all. No player may wear a helmet or other goalkeeping equipment, neither will any player be able to play the ball with any other part of the body than with their stick. This may be used to offer a tactical advantage, or to allow for play to commence if no goalkeeper or kit is available. Tactics The basic tactic in field hockey, as in association football and many other team games, is to outnumber the opponent in a particular area of the field at a moment in time. When in possession of the ball this temporary numerical superiority can be used to pass the ball around opponents so that they can not effect a tackle because they can not get within playing reach of the ball and to further use this numerical advantage to gain time and create clear space for making scoring shots on the opponent 's goal. When not in possession of the ball numerical superiority is used to isolate and channel an opponent in possession and ' mark out ' any passing options so that an interception or a tackle may be made to gain possession. Highly skillful players can sometimes get the better of more than one opponent and retain the ball and successfully pass or shoot but this tends to use more energy than quick early passing. Every player has a role depending on their relationship to the ball if the team communicates throughout the play of the game. There will be players on the ball ( offensively - ball carriers ; defensively - pressure, support players, and movement players. The main methods by which the ball is moved around the field by players are a ) passing b ) pushing the ball and running with it controlled to the front or right of the body and c ) `` dribbling '' ; where the player controls the ball with the stick and moves in various directions with it to elude opponents. To make a pass the ball may be propelled with a pushing stroke, where the player uses their wrists to push the stick head through the ball while the stick head is in contact with it ; the `` flick '' or `` scoop '', similar to the push but with an additional arm and leg and rotational actions to lift the ball off the ground ; and the `` hit '', where a swing at ball is taken and contact with it is often made very forcefully, causing the ball to be propelled at velocities in excess of 70 mph ( 110 km / h ). In order to produce a powerful hit, usually for travel over long distances or shooting at the goal, the stick is raised higher and swung with maximum power at the ball, a stroke sometimes known as a `` drive ''. Tackles are made by placing the stick into the path of the ball or playing the stick head or shaft directly at the ball. To increase the effectiveness of the tackle, players will often place the entire stick close to the ground horizontally, thus representing a wider barrier. To avoid the tackle, the ball carrier will either pass the ball to a teammate using any of the push, flick, or hit strokes, or attempt to maneuver or `` drag '' the ball around the tackle, trying to deceive the tackler. In recent years, the penalty corner has gained importance as a goal scoring opportunity. Particularly with the technical development of the drag flick. Tactics at penalty corners to set up time for a shot with a drag flick or a hit shot at the goal involve various complex plays, including multiple passes before deflections towards the goal is made but the most common method of shooting is the direct flick or hit at the goal. At the highest level, field hockey is a fast moving, highly skilled game, with players using fast moves with the stick, quick accurate passing, and hard hits, in attempts to keep possession and move the ball towards the goal. Tackling with physical contact and otherwise physically obstructing players is not permitted. Some of the tactics used resemble football ( soccer ), but with greater ball speed. With the 2009 changes to the rules regarding free hits in the attacking 23m area, the common tactic of hitting the ball hard into the circle was forbidden. Although at higher levels this was considered tactically risky and low - percentage at creating scoring opportunities, it was used with some effect to ' win ' penalty corners by forcing the ball onto a defender 's foot or to deflect high ( and dangerously ) off a defender 's stick. The FIH felt it was a dangerous practice that could easily lead to raised deflections and injuries in the circle, which is often crowded at a free - hit situation, and outlawed it. International competition Main article : International field hockey tournaments The biggest two field hockey tournaments are the Olympic Games tournament, and the Hockey World Cup, which is also held every 4 years. Apart from this, there is the Champions Trophy held each year for the six top - ranked teams. Field hockey has also been played at the Commonwealth Games since 1998. Amongst the men, India lead in Olympic competition, having won 8 golds ( 6 successive in row ). Amongst the women, Australia and Netherlands have 3 Olympic golds while Netherlands has clinched the World Cup 6 times. The Sultan Azlan Shah Hockey Tournament and Sultan Ibrahim Ismail Hockey Tournament for the junior team, both tournaments held annually in Malaysia, are becoming prominent field hockey tournaments where teams from around the world participate to win the cup. India and Pakistan dominated men 's hockey until the early 1980s, winning eight Olympic golds and three of the first five world cups respectively, but have become less prominent with the ascendancy of the Netherlands, Germany, New Zealand, Australia and Spain since the late 1980s, as grass playing surfaces were replaced with artificial turf ( which conferred increased importance on athleticism ). Other notable men 's nations include Argentina, England ( who combine with other British `` Home Nations '' to form the Great Britain side at Olympic events ) and South Korea. Despite their recent drop in international rankings, Pakistan still holds the record of four World Cup wins. Netherlands, Australia and Argentina are the most successful national teams among women. The Netherlands was the predominant women 's team before field hockey was added to Olympic events. In the early 1990s, Australia emerged as the strongest women 's country although retirement of a number of players weakened the team. Argentina improved its play on the 2000s, heading IFH rankings in 2003, 2010 and 2013. Other prominent women 's teams are China, South Korea, Germany and South Africa. As of November 2017 Argentina 's men 's team and the Netherland 's women 's teams lead the FIH world rankings. This is a list of the major International field hockey tournaments, in chronological order. Tournaments included are : Olympic Games - held every four years. World Cup - held every four years, in between the Olympics. Champions Trophy - currently held every year, for the top 8 ranked nations. Champions Challenge - held every year for teams ranked 9th - 16th in the world. Champions Challenge II - held every year for teams ranked 17th - 24th in the world. Although invitational or not open to all countries, the following are also considered international tournaments : Commonwealth Games -- held every four years between members of the Commonwealth of Nations Sultan Azlan Shah Hockey Tournament - held annually in Malaysia, an invitational tournament. Sultan Ibrahim Ismail Hockey Tournament - held annually for athletes aged under - 21 in Malaysia, an invitational tournament. Variants See also : Indoor field hockey, Bandy, and Hockey 9s Hockey 5s As the name suggests, Hockey 5s is a hockey variant which features five players on each team ( which must include a goalkeeper ). The field of play is 55 m long and 41.70 m wide -- this is approximately half the size of a regular pitch. Few additional markings are needed as there is no penalty circle nor penalty corners ; shots can be taken from anywhere on the pitch. Penalty strokes are replaced by a `` challenge '' which is like the one - on - one method used in a penalty shoot - out. The duration of the match is three 12 - minute periods with an interval of two minutes between periods. The rules are simpler and it is intended that the game is faster, creating more shots on goal with less play in midfield, and more attractive to spectators. An Asian qualification tournament for two places at the 2014 Youth Olympic Games was the first time an FIH event used the Hockey 5s format. Hockey 5s was also used for the Youth Olympic hockey tournament, and at the Pacific Games in 2015. References Jump up ^ `` History of Field Hockey iSport.com ''. Fieldhockey.isport.com. Retrieved 2017 - 10 - 03. Jump up ^ `` How to Choose a Stick ''. Longstreth.com. Retrieved 2016 - 07 - 15. Jump up ^ Eisen, Matt ( October 12, 2006 ). `` In America, field hockey still toils in obscurity ''. Yale Daily News. Retrieved February 4, 2017. The American game is regionally centered. The most intense support and popularity extends from Massachusetts down the Eastern seaboard to Virginia and pretty much stops there. The best programs tend to be in Pennsylvania and New Jersey, though states like Maryland and Delaware are slowing growing field hockey prowess. Jump up ^ Fischer - Baum, Reuben ( November 8, 2012 ). `` Field Hockey America Vs. Rodeo America : Mapping The Faultlines Of America 's Regional Sports ''. Deadspin. Retrieved February 4, 2017. Jump up ^ `` Landhockey ''. bandyforbundet.no. ^ Jump up to : `` Field Hockey Rules '' ( PDF ). International Hockey Federation. Jump up ^ Oikonomos, G. `` Κερητίζοντες. '' Archaiologikon Deltion 6 ( 1920 -- 1921 ) : 56 - 59 ; there are clear depictions of the game, but the identification with the name κερητίζειν is disputed ( English summary ). ^ Jump up to : Stein, Victor ; Rubino, Paul ( 2008 ). The Billiard Encyclopedia ( 3rd ed. ). New York : Balkline Press. pp. 2, 4, 5, 14, 27, 33, 34, 37, 40. ISBN 978 - 0 - 615 - 17092 - 3. ( First ed. pubd. 1994. ) Jump up ^ McGrath, Charles ( 22 August 2008 ). `` A Chinese Hinterland, Fertile with Field Hockey ''. New York Times. Retrieved 23 August 2008. Jump up ^ `` History of Field Hockey ''. Surfers Field Hockey. Retrieved 23 August 2016. Jump up ^ `` Where was field hockey invented ? The history of hockey as we know it ! ''. A Hockey World. Retrieved 15 January 2017. Jump up ^ `` Rugby Football History ''. Rugby Football History. Retrieved 2016 - 07 - 15. Jump up ^ Egan, Tracie ; Connolly, Helen ( 2005 ). Field Hockey : Rules, Tips, Strategy, and Safety. The Rosen Publishing Group. ISBN 978 - 1 - 4042 - 0182 - 8. Retrieved 2014 - 02 - 27. Jump up ^ `` Archived copy ''. Archived from the original on 27 April 2013. Retrieved 2013 - 04 - 08. Jump up ^ `` Dhyan Chand ( Indian athlete ) ''. Encyclopædia Britannica. Jump up ^ `` History of Field Hockey iSport.com ''. fieldhockey.isport.com. Retrieved 2016 - 08 - 23. Jump up ^ `` Clubs ''. EnglandHockey.co.uk. England Hockey Board. Archived from the original on 17 August 2010. Retrieved 10 August 2010. Jump up ^ `` Ireland ''. FIHockey.org. Fédération Internationale de Hockey sur Gazon. Retrieved 10 August 2010. Jump up ^ `` National Census Executive Summary 2008 '' ( PDF ). Hockey.org.ca. Hockey Australia. p. 2. Archived from the original ( PDF ) on 22 October 2009. Retrieved 10 August 2010. Jump up ^ Orwell, George ( 9 November 2011 ) ( 1949 ). `` Nineteen Eighty - Four ''. Part I, Ch. 1. Retrieved 27 February 2014 -- via WikiLivres.ca. Jump up ^ `` Hockey Pitches -- Basic Information '' ( PDF ). Great Britain Hockey. Retrieved 10 April 2014. Jump up ^ FIH Pitches 2014, p. 8 § 2. Jump up ^ FIH Pitches 2014, p. 19 § 5.5. 1. Jump up ^ Merchant, Minhaz ( 15 January 2013 ). `` The untold story of how India lost hockey supremacy ''. Times of India. Retrieved 13 April 2014. Jump up ^ http://www.ncaa.com/news/fieldhockey/article/2016-08-19/field-hockey-everything-you-need-know-about-one-worlds-oldest Jump up ^ `` No Results Page Barnes & Noble ''. Barnesandnoble.com. Retrieved 2016 - 07 - 15. Jump up ^ `` Title of presentation '' ( PDF ). Fihockey.org. Archived from the original ( PDF ) on 2 December 2007. Retrieved 27 February 2014. Jump up ^ `` Basic Field Hockey Rules ''. Archived from the original on 2014 - 07 - 29. Jump up ^ `` Rules of Hockey '' ( PDF ). Fih.ch. Retrieved 2016 - 07 - 15. Jump up ^ `` Executive Board makes key decisions at latest meeting ''. 2013 - 03 - 21. Retrieved 2013 - 08 - 04. Jump up ^ ( 1 ) Jump up ^ `` Approved FIH and USA Field Hockey protective eyewear ''. USA Field Hockey. 22 April 2011. Retrieved 19 December 2012. Jump up ^ `` It 's here ! Hockey 5 set to make official debut ''. International Hockey Federation. 3 April 2013. Retrieved 21 April 2014. 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Question: how many field hockey players on a team
Answer: eleven