Wallabies fullback James O'Connor has been cleared of any fracture in his leg following Saturday night's Tri Nations loss to the All Blacks in Sydney.

O'Connor limped from the field early in the second half of the 19-18 loss but X-rays have cleared him of anything more serious than a cork.

The Wallabies have several other injury worries as they head to Perth to face South Africa.

Flanker Rocky Elsom, who played his first Test of the season after a knee injury, has a syndesmosis in his left ankle, while lock Nathan Sharpe is nursing a shoulder problem.

Both will be monitored this week.

Centre Berrick Barnes, who missed the second half at ANZ Stadium, is confident of being fit for the Subiaco Oval clash after suffering a neck injury and concussion.

"James O'Connor's X-ray was clear so that's a good start," Wallabies coach Robbie Deans told reporters on Sunday.

"It was just a blow to the lower leg ... but obviously it's still a bit uncomfortable.

"Sharpey was pretty sore."

The Wallabies were flying to Perth on Sunday, still smarting from the loss of the Bledisloe Cup for another year.

They also remain anchored to the bottom of the Tri Nations table, winless from their three matches so far.

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