Shariqattari
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The University of Western Australia (UWA), whom the International Cricket Council (ICC) relied upon for the last 20 years to develop models to test illegal bowling actions, has raised serious doubts over the reliability of the recent biomechanics tests that have seen several international bowlers suspended from the game.
"We have withdrawn our services," Jacqueline Alderson, an associate professor in biomechanics at UWA told ESPNcricinfo.
"We were initially aggrieved by the ICC leveraging our research without our knowledge or permission. However that is now compounded by the lack of transparency surrounding the current testing."
In particular, UWA expressed concerns about the monitoring of Ajmal's action after it had cleared the off-spinner in a previous test in 2009.
Alderson said that in tests conducted on Ajmal in 2009, the 'frame of ball release' was crucial in establishing the legality of his bowling action.
"More than any other bowler we have tested," Alderson said, a large number of Ajmal's deliveries would have been illegal in the 2009 testing if the point of ball release was identified to be "1-2 frames or 0.004-0.008 seconds later".
"It's a new process. The cricket boards are not privy to it. From 15 degrees to 17 degrees...we were told that his [Ajmal's] was a minor fault. Now it's gone up by 100 per cent more. They've got to make the process public," Raja said.
Responding to the latest developments, the ICC said the methods being currently used were "more scientifically advanced than the previous methods."
Australian university raises doubts over ICC tests - Sport - DAWN.COM
"We have withdrawn our services," Jacqueline Alderson, an associate professor in biomechanics at UWA told ESPNcricinfo.
"We were initially aggrieved by the ICC leveraging our research without our knowledge or permission. However that is now compounded by the lack of transparency surrounding the current testing."
In particular, UWA expressed concerns about the monitoring of Ajmal's action after it had cleared the off-spinner in a previous test in 2009.
Alderson said that in tests conducted on Ajmal in 2009, the 'frame of ball release' was crucial in establishing the legality of his bowling action.
"More than any other bowler we have tested," Alderson said, a large number of Ajmal's deliveries would have been illegal in the 2009 testing if the point of ball release was identified to be "1-2 frames or 0.004-0.008 seconds later".
"It's a new process. The cricket boards are not privy to it. From 15 degrees to 17 degrees...we were told that his [Ajmal's] was a minor fault. Now it's gone up by 100 per cent more. They've got to make the process public," Raja said.
Responding to the latest developments, the ICC said the methods being currently used were "more scientifically advanced than the previous methods."
Australian university raises doubts over ICC tests - Sport - DAWN.COM