17 December,2012 07:23 AM IST | | AFP
The Tasmanian swing bowler left the field after delivering just two balls of his 13th over during third day's play in Hobart and later was taken to hospital for scans.
Kountouris said Hilfenhaus' injury was on the mild side but he could still miss the second Test, starting in Melbourne on Boxing Day. "Ben's got a side injury. It's a typical fast bowler's injury where they get these side strains," Kountouris said.