"We are in the process of analysing the data," University of Western Australia biomechanist Bruce Elliott told the news wire in a telephone interview.

"When we've had that, we'll have a meeting with Murali and (bowling advisor) Daryl Foster, who is organising the trip on the behalf of Sri Lankan cricket. We will give the (data) numbers to them."

Muralitharan's bowling was assessed after the off spinner was reported to the International Cricket Council (ICC) by match referee Chris Broad during the recent Sri Lanka and Australia test series.

The legality of his "doosra" delivery, which spins in the opposite direction to his stock ball, has been called into question.

Elliott put Muralitharan, wearing only reflective markers on his upper body, through a series of testing procedures for 90 minutes in Perth on Thursday.

The biomechanist used a system of 12 cameras shooting 250 frames per second and focusing on Muralitharan's wrist and elbow.

Elliott's team will analyse data relating to six "doosra" deliveries from the session.

"His (Muralitharan's) comment to me was the "doosra" is a modification of his top spinner he has perfected over the last two years," said Elliott, whose written report is not expected to reach the Sri Lanka board until late next week.

Muralitharan has taken 513 wickets in 88 tests and is six wickets shy of West Indian Courtney Walsh's world record.

The 31-year-old took 28 wickets in the home series against Australia last month, while Australia leg spinner Shane Warne grabbed 26 to move to 517 in total.