Injured West Coast midfielder Daniel Kerr is struggling for motivation as he battles to overcome a torn hamstring that appears to have ended his AFL season.

Kerr hasn't played since tearing his hamstring in the round four win over Essendon.

Although St Kilda's Nick Riewoldt and Hawthorn's Josh Gibson have recovered from similar injuries to play again this season, Kerr said his recovery had been slower than expected.

West Coast have crashed to last on the table in Kerr's absence and the 27-year-old admitted to a feeling of helplessness about the situation.

"To be honest, my motivation often comes and goes with so much injury time," Kerr told the club's website.

"That's not saying I slack off in any of my training but keeping my mind motivated for some of the tedious tasks I have to complete is probably the biggest challenge of being injured.

"The recovery has been very slow, I think the time frame we put on the recovery early in the rehab was probably a little unrealistic.

" ... I feel extremely helpless and disappointed that I can't help the younger midfielders cope with the pressures of playing AFL footy."

Kerr has played just 25 games since the start of 2008 but was adamant he still had at least three more good years of football ahead of him.

The star onballer also dismissed any speculation he or West Coast may seek to part ways before the end of his current contract.

"No, I am contracted for another couple years and I'm very happy here, born and bred WCE supporter," Kerr said.

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