Fast bowler Atkinson Adds to the English team's Fitness Problems.
'Significant concern' for the touring side as Atkinson leaves the field with a hamstring injury.
The English seamer added to the injury concerns plaguing England upon exiting the ground on the second morning of the Boxing Day Test in the Ashes series.
The right-arm seamer felt a problem in his hamstring after the final ball that he bowled on Saturday.
The England team stated the 27-year-old felt some "soreness" and required time away from the action for further assessment "during the day".
The series decider of the series beginning on 4 January starts on Sunday, 4 January.
The English side has been without fast bowlers one seamer due to knee trouble and another paceman because of a side injury on this Ashes tour.
Matthew Fisher was brought into the squad to provide backup.
The seamer had a tough time early in the series, claiming a mere three wickets.
He was omitted from the previous Test, then recalled for the Melbourne Test in the playing XI.
The county bowler performed better in the fourth Test, bagging two scalps with the ball, and scoring 28 runs with the bat being one of only three teammates to get into double digits.
Following a brief spell in Australia's second innings, he resumed the next day and had nightwatchman Scott Boland caught behind.
Yet, on the final ball of the fifth over, he sent down a change of pace to Travis Head and promptly felt at his leg.
Gus Atkinson was recalled for the fourth Ashes Test following his omission the Adelaide game.