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Physics

Why ‘sling action’ bowling deceives so many batters in cricket

Experiments in a wind tunnel have revealed why the sling action bowling technique made famous by Sri Lankan cricketer Lasith Malinga is so effective at hoodwinking whoever is batting

By James Woodford

15 August 2024

Sri Lanka's Lasith Malinga bowling

Sri Lanka’s Lasith Malinga bowled with a distinctive horizontal slinging action

PATRICK HAMILTON/AFP /AFP via Getty Images

The secrets of a devastatingly effective horizontal bowling technique have been revealed by a team of physicists.

When bowling a cricket ball, most people tend to rotate the arm vertically about the shoulder joint. But an alternative method is to use a roundarm motion, in which a bowler extends their arm at about 90 degrees from their body, so it is almost horizontal to the ground when they release the ball.

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