Ruqayyah Snyder
Australian football, also known as Australian rules football or Aussie rules, is a contact sport played between two teams of 18 players on an oval field, which is often a modified cricket ground. The aim of the game is to score as many goals as possible by kicking the ball between a set of posts at either end of the field. The field has no fixed dimensions and can vary in width between 110 and 155 metres and in length between 135 and 185 metres.
| Characteristics | Values |
|---|---|
| Number of players per team | 18 |
| Number of players on the field | 36 |
| Number of interchange (reserve) players | 4 |
| Number of umpires | 4 |
| Field shape | Oval |
| Field dimensions | Length: 135-185m, Width: 110-155m |
| Ball weight | 450-480g |
| Ball short circumference | 545-555mm |
| Ball wide circumference | 720-730mm |
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What You'll Learn
There are 18 players on each team
Australian football, also known as Australian rules football or Aussie rules, is a contact sport played between two teams of 18 players each on an oval field. The field is often a modified cricket ground, and there are no standard dimensions for it. The field can vary in width between 110 and 155 metres (120 and 170 yards) and in length between 135 and 185 metres (145 and 200 yards).
The aim of the game is to score as many goals as possible by kicking the ball between a set of posts at either end of the field. Players can move the ball around the field by kicking, handballing (punching the ball with a closed fist), or running with it. There are no pads, and players can tackle each other anywhere between the knees and the shoulders.
Each match is controlled by one field umpire, a goal umpire at each end, and a boundary umpire on each side. The game begins with the field umpire bouncing the football in the centre of the arena, and players leaping to knock it down to a teammate. After a goal is scored, the ball is bounced again at the centre of the playing field.
A maximum of four interchange (reserve) players per team can be swapped for those on the field at any time during the game. In addition, some leagues, including the AFL, allow each team to designate one additional player as a substitute who can be used to make a single permanent exchange of players during a game for medical or tactical reasons.
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The field is oval-shaped
The field used for Australian football is oval-shaped. This is a unique feature of the sport, as most other field sports use a rectangular field. The field, also known as a "ground" or "oval", is typically a modified cricket field. Cricket ovals are large, with dimensions of up to 500 feet long and 450 feet wide.
The oval field can vary in width between 110 and 155 metres (120 and 170 yards) and in length between 135 and 185 metres (145 and 200 yards). There are no fixed dimensions for an Australian football field, even at the highest level of the game. The field can be long and narrow, almost circular, or somewhere in between, and is not necessarily symmetrical.
The field is marked with two fifty-metre arcs at each end, drawn between the boundary lines 50 metres from the centre of the goal line. One arc is red and white, and the other is blue and white. The arcs dictate the starting positions for forwards and defenders at a centre bounce. There are also interchange gates, marked with yellow and white lines, which indicate where players can enter and exit the field during interchanges.
The oval shape of the field has historical roots. In the 1800s, football was allowed on the Melbourne Cricket Ground, and cricket authorities began to capitalise on the sport's growing popularity. Over time, football adapted to an oval-shaped field, and grounds in Victoria were expanded to accommodate both sports.
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Interchange players can be swapped at any time
Australian football, also known as Australian rules football, is a contact sport played on an oval field. The field can vary in width between 110 and 155 metres and in length between 135 and 185 metres. Each team consists of 18 players, and each team may have up to four interchange players who can be swapped for those on the field at any time during the game. Interchange players, also known as reserve players, are part of the selected team but are not currently on the field of play.
The rules regarding interchange players have evolved over time. In the AFL since 2011, a hybrid interchange-substitution arrangement has often existed. Between 2011 and 2015, there were three interchange players and one substitute. The substitute was required to wear a green vest until activated, and the player substituted out of the game donned a red vest. In 2021, a true medical substitute was introduced, which placed a formal restriction on using the substitute for medical reasons only. This rule remained in place only for 2021 and 2022, after which the position reverted to a general substitute available for medical or tactical reasons.
As of the 2023 season, each team is permitted four interchange players and a maximum of 75 total interchanges during a game. There is no limit to the number of times individual players can be interchanged. Interchange players must pass through a designated "interchange area" when entering or exiting the field. If a player fails to pass through this area correctly, or if too many players from one team are on the ground at a time, a free kick will be awarded to the opposing side.
In addition to the four interchange players, some leagues, including the AFL, allow each team to designate one additional player as a substitute who can be used to make a single permanent exchange of players during a game for medical or tactical reasons.
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The field size varies
Australian football, also known as Australian rules football or Aussie rules, is a contact sport played between two teams of 18 players on an oval field, which is often a modified cricket ground. The field size varies, with no fixed dimensions even at the highest level of the game. The length of the field can be anywhere between 135 and 185 metres (145 to 200 yards or 442 to 541 feet), and the width can range from 110 to 155 metres (120 to 170 yards or 361 to 509 feet). These fields can vary in shape, from long and narrow to almost circular, and are not necessarily symmetrical.
The oval shape of the field is a defining feature of Australian football, with the game being played on cricket ovals, especially in Australia. This means that there are few fields that are purpose-built for Australian football and not used for cricket or other sports. The field size can also vary depending on the level of play, with smaller fields often used for junior levels.
The field is marked with two goal lines at each end, which are straight and 19.2 metres (21 yards) long, and contain two goalposts and two behind posts. The goalposts are at least 6 metres (20 feet) tall, and the behind posts are 5 metres (16 feet) tall. There are also two boundary lines that curve around the edge of the field and connect the two goal lines. The minimum space required between the boundary line and any fence is 5 metres (5.5 yards) for safety reasons.
Within the field, there is a centre square that is 50 metres by 50 metres (55 yards by 55 yards) in size, and two centre circles with diameters of 3 metres (3.3 yards) and 10 metres (11 yards) respectively. These markings indicate the positions of players during a centre bounce, with one player from each team required to be in the centre circle at the beginning of each quarter and after each goal.
In summary, the field size for Australian football varies significantly, with the length ranging from 135 to 185 metres and the width from 110 to 155 metres. The shape of the field can also vary, and there are no standard dimensions due to the use of cricket ovals and other fields for multiple sports.
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Umpires control the game
Australian football, also known as Australian rules football, Aussie rules, or simply football or footy, is a contact sport played between two teams of 18 players each on an oval field. The aim of the game is to score as many goals as possible by kicking the ball between a set of posts at either end of the field. Umpires are officials in the sport who enforce the rules as outlined in the "Laws Of The Game", the official handbook of Australian Rules Football.
The field umpire starts the game by bouncing the football in the centre of the arena, and players leap to knock it down to a teammate. After a goal, the ball is bounced again at the centre of the playing field. After a behind is scored, the scored-upon team kicks the ball into play from its own goal area. The field umpires each control roughly one-third of the ground, with the umpire in the area where the ball is being disputed being the one in charge. The two boundary umpires judge when the ball is out of the playing area and return it to the centre of the ground after a goal is scored.
The role of an umpire in Australian football is challenging due to the grey areas in the application of the laws, which are subject to interpretation, degree, or timing. Regular changes to laws or interpretations of rules by the AFL also contribute to the amount of work needed for umpires to maintain their skills and knowledge of the game.
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Frequently asked questions
There are 18 players on each team, so 36 people in total on the field during a game.
Yes, each team may have up to four interchange (reserve) players who can be swapped for those on the field at any time during the game.
The field is usually called an oval, due to its shape.
The field is an oval between 135 and 185 meters in length and 110 and 155 meters in width.
Yes, there are various markings on the field, including two goal-lines, two boundary lines, two goal squares, and two fifty-metre arcs.
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