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What is 'chucking'?
Around the Academy:

A legal ball
Confused about chucking? Worried an umpire's going to call you up for a dodgy action?

The Sport Academy explains what this chucking business is about - and gives you a guide to a good old fashioned legal ball.

The best way to destroy a cricketer is tell to them they are a cheat or a 'chucker'.

1. A normal start from Murali

In a survey of 100 top cricketers, 75% said that they were concerned about illegal bowling actions in the game.

But what exactly is chucking and how do we avoid it?

First we need to see what the laws of the game say.

Law 24, Section 3 says: "A ball is fairly delivered in respect to the arm if, once the bowler's arm has reached the level of the shoulder in the delivery swing, the elbow joint is not straightened partially or completely from that point until the ball has left the hand."

The graphic at the top of the page is an illustration of a legal ball - the bowlers arm remains straight.

2. Up comes the arm

Putting it simply, a throw (according to the rules of the game) is one that comes from the elbow.

Darts players, javelin throwers, shot-putters - they all bend the arm to get maximum leverage from it.

3. His arm is not straight due to his deformed elbow

Bowlers must not or the umpire will call no-ball.

Muttiah Muralitharan, who has been put under scrutiny on many occasions, has a good excuse.

He has a slight deformity of his elbow, he is unable to straighten his arm.

You are allowed to have your arm bent, so long as it then does not straighten.

So although it may look like he is bending his limb when bowling, officials have decided, he is not.

4. Before he releases the ball

This means his action is within the rules.

However, his "doosra", the ball that spins like a leg break, has been declared illegal because he bends his elbow more than the ICC regulations allow.

It's not just Murali who has been singled out for special attention

Other players such as Australia's Brett Lee, Pakistan's Shoaib Akhtar and India's Harbhajan Singh have also had the finger pointed at them for 'chucking'.

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ICC regulations
The International Cricket Council has set a maximum level the elbow can bend for bowlers
All bowlers are allowed to bend their arm at the point of delivery no more than 15 degrees
Anymore than this and the ICC's panel for illegal deliveries will be called into action

Procedure for suspect actions
Reported by the umpires to the match referee

Referee informs the ICC

Advisory panel for Illegal Deliveries is created

Panel look at video to decide whether or not the bowler is guilty
If guilty, the player is advised to have his action corrected
Home board then decide if player should be banned

:: Struggling to 'chuck' it out of cricket

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