'Significant concern' for England after Atkinson goes off suffering a hamstring problem.
The English seamer increased the injury concerns plaguing England when he left the ground during Saturday's play of the Boxing Day Test versus the Australians.
The pace bowler pulled up with his hamstring after the final ball in his spell on Saturday.
The England team stated Atkinson had experienced "tightness" and would spend time on the sidelines in order to be assessed "during the day".
The concluding match of the series in Sydney starts on Sunday, 4 January.
The English side has previously lost key quicks Mark Wood to a knee injury and Jofra Archer to a side strain on the current trip.
A replacement bowler was added to the party as injury reinforcement.
The seamer had a tough time during the first two matches, taking just a handful of scalps.
He was omitted of the third Test, then recalled for the fourth Test to fill the void.
Atkinson performed better in the fourth Test, taking two wickets during the host's first knock, and scoring 28 runs with the bat being one of only three English batsmen to get into double digits.
Post a single over at the end of day one, he resumed for the second day's play and removed Scott Boland Scott Boland caught behind.
Yet, at the end of the fifth over, he sent down a change of pace to the batsman and suddenly grabbed for his hamstring.
Gus Atkinson was brought back for the fourth Ashes Test after being left out the previous Test.
Elara Vance is a dedicated MapleStory enthusiast and gaming writer, known for creating in-depth guides and staying updated on game mechanics.
