Seamer Atkinson Exacerbates England's Fitness Problems.
'Significant concern' for England after Atkinson goes off suffering a hamstring problem.
The pace bowler further complicated England's injury problems after leaving the field during Saturday's play of the Boxing Day Test versus the Australians.
The right-arm seamer experienced discomfort in his left leg post-delivery in his spell at the MCG.
The England team indicated the 27-year-old had experienced "tightness" and would spend time on the sidelines for further assessment "during the day".
The final Test in this Ashes battle at the SCG begins this coming Sunday.
The visitors have previously lost fast bowlers Mark Wood to a knee injury and another paceman with an abdominal strain during this series.
Matthew Fisher was called up to provide backup.
His form was underwhelming in the opening two Tests, taking just a handful of scalps.
He was omitted from the previous Test, before being recalled for the Melbourne Test as Archer's replacement.
The county bowler showed better form in Melbourne, bagging two scalps in Australia's first innings, then making 28 with the bat among just a trio of teammates to get into double digits.
Following a brief spell at the end of day one, he came back the next day and removed Scott Boland Scott Boland caught behind.
Unfortunately, towards the conclusion of that over, he bowled a variation to the batsman and suddenly grabbed for his hamstring.
The English bowler returned to the side for the fourth Ashes Test after being left out the Adelaide game.
