Following on from his decision to sit out the remainder of the 2010 World Superbike season, Chris Vermeulen has confirmed he will undergo keyhole surgery on his knee this week.

The Australian has been severely hampered by the knee injury he sustained in Australia more than five months ago, with a recent crash at Brno further aggravating the recovery process. With that in mind, Vermeulen came to an agreement with Kawasaki to miss the final four rounds and seek medical advice in order to concentrate on 2011.

Doctors have since confirmed Vermeulen should undergo keyhole surgery to repair two of the three damaged ligaments, providing the stability in the knee that has been such a problem for Chris over the last few months.

However, while Vermeulen should be up and walking within a week, the ensuing rehabilitation process will be considerably longer, the former MotoGP rider being told he faces two months of physiotherapy and six months to reach a full recovery.

"The decision to sit out of the remainder of the 2010 race and test season was a mutual one from both me and the team," he said. "It is only too apparent that I have not been able to recuperate from my right knee injury sustained at Phillip Island and the crash in Brno further set me back.

"The team have been patient with my slow recovery but it is not in my best interest or the teams to continue with the lack of progress we've made in a championship which is so competitive, even when you are 100 per cent fit!

"I have sought expert medical advice in Barcelona this week where the specialists have advised I have key-hole surgery to clean-up the damaged ligaments.

"I have been informed that I will be able to walk soon after but I'll have to undergo extensive physiotherapy for at least two months so we will be based in Andorra for the time being! I will keep you posted after the operation via my website. "