Tuesday 24 March 2020

GOALBALL UNIT


WHAT IS GOALBALL?

Goalball is a team sport designed specifically for athletes with a vision impairment. Participants compete in teams of three, and try to throw a ball that has bells embedded in it into the opponents' goal. The ball is thrown by hand and never kicked. Using ear-hand coordination, originating as a rehabilitation exercise.
Goalball is a sport played at the Paralympic Games. During the Games, ten male teams and ten female teams are eligible to compete following various selection requirements.

Played indoors, usually on a volleyball court, games consist of twelve-minute halves (formerly ten-minute halves). Teams alternate throwing or rolling the ball from one end of the playing area to the other, and players remain in the area of their own goal in both defence and attack. Players must use the sound of the bell to judge the position and movement of the ball. Eyeshades allow partially sighted players to compete on an equal footing with blind players Eyepatches may be worn under eyeshades to ensure complete coverage of the eye, and prevent any vision should the eyeshades become dislodged.




GOALBALL COURT AND BALL
Goalball rules require the field of play to be 18 metres long by 9 metres wide.
Goals are as wide as the pitch.
 The court is divided into six even sections:3x9 metres. At either end, just in front of the goal, is the team area. Beyond that is each team's landing zone. The middle two sections are collectively referred to as the neutral zone.
The lines of the court are made by placing tape over lengths of twine. This makes the line both visual (for officials) and tactile (for players). The team area and landing zone, including the boundary, goal lines and high-ball lines, are always marked in this way. Furthermore, the team area has six hash marks (three at the front, one on either side, and one on the goal line) to assist with player orientation.


The ball weighs 1.25 kilograms (2.8 lb) and has eight holes and contains several noise bells.


GOALBALL PLAYERS AND POSITIONS

Each team has three players on the court at a time, with one to three substitute players on the bench.
There are three standard positions to play. Players, while there is typically no official designation, often have a position they are best at or prefer, though some players will play any of the three.
The centre player is the player most responsible for defence. They typically line up at the centre hash-mark at the front of the team area, though there are various defensive arrangements. The centre player is the most defensive position simply because they must be able to move both to the left and right to defend. They are also typically the defensive coordinator, as they can more accurately determine which opposing player has the ball due to being square to the opposing team.
The left and right wings generally line up at the end of the hash marks coming off of the respective sidelines. Their main defensive responsibilities are keeping the ball out of either corner of the goal, though they also defend some towards the centre. Typically, the wings are the main offence, allowing the centre player to reserve their energy for defence, while they attempt to score. This is not to say that the centre player is not also an offensive threat, just that they generally are more focused on keeping the ball out of their own net than putting it into the opponents'.



SCORING
A goal is one point and is scored when the ball completely crosses the goal line. The team with the higher score at the end of regulation time is the winner. If regulation results in a tie, two three-minute overtime periods are played, for a golden goal (first goal concludes the game). If no goal scored during overtime, penalty throws and sudden death penalty throws are taken. When a maximum goal difference of ten is reached, a mercy is called and the leading team is declared the winner.

ATTACKING

To score, a player must roll or bounce the ball down the length of the court, past the opposing defenders, and into the opponents' goal. Typically, the player with the ball will stand, orient themselves using the tactile lines, sounds from teammates, and/or the crossbar of their own goal.
To score a valid goal, the ball must hit in the player's own landing zone, and anywhere in the neutral zone

DIFFERENT GOALBALL THROWS
A.    Underarm Throw: the ball is thrown downwards and forward, and may or may not involve a sight turn of the body.

B.    Side Throw: with the ball held either side, the arms are moving back and forward to impulse the ball. On the forward swing, the forward hand is released and the near hand pushes the ball.

C.    Rolling Forward Throw: place the ball just forward of the feet. Then, bend down and pus hit forward to roll.
A                                                      B                                                  C

DEFENDING
The defending players stay within the team area, generally in somewhat staggered positions to avoid collisions. When they hear the other team throw the ball, they 'lay out', that is slide on their hips and stretch their arms above their heads and extend their legs in order to cover as much distance as possible. The objective is simply to keep the ball from getting past with whatever part of the body the player can get in front of it.




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