Bellchambers strained ligaments in his left ankle after landing on teammate Michael Hibberd's foot at training on Monday.

Club doctor Bruce Reid said Bellchambers would not be able to do any weight bearing activities for at least the next fortnight.

``The first thing we need to do is evaluate it correctly so he has strained both sides including the inside,'' Reid said on Essendon's website.

``When they strain the inside ligament on the ankle, it is a little bit slower because it takes a lot of the weight bearing.

``He will be non-weight bearing and in a moon boot for a couple of weeks and then hopefully we can get him up and running again quickly.''

The 24-year-old, the eighth pick in the 2007 preseason draft, is coming off a breakout year, where he kicked 28 goals in 18 games and averaged 10 touches and 22 hit-outs a game.

The 202-centimetre big man, who re-signed with the club last year after strong interest from Greater Western Sydney, has played 61 games in the red and black.

He is expected to spend more time in attack in 2014, following the departures of Stewart Crameri to the Western Bulldogs and Scott Gumbleton to Fremantle.