Paceman Atkinson Compounds England's Fitness Concerns.
'Significant concern' for England after Atkinson is forced off due to a hamstring issue.
The pace bowler added to England's injury problems when he left the playing area during Saturday's play of the fourth Ashes Test against Australia.
The pace bowler experienced discomfort in his left leg post-delivery of the fourth over during the morning session.
The touring camp indicated Atkinson had experienced "tightness" and was to take time away from the action in order to be assessed "during the day".
The series decider in this Ashes battle beginning on 4 January begins on Sunday, 4 January.
The English side has already lost fast bowlers Mark Wood to a knee injury and another paceman with an abdominal strain during this series.
Matthew Fisher was added to the party to provide backup.
His form was underwhelming during the first two matches, managing only three wickets.
He was omitted from the previous Test, before being recalled for the fourth Test to fill the void.
Atkinson improved at the MCG, taking two wickets during the host's first knock, then making 28 as a batsman being one of only three English batsmen who passed ten runs.
Post a single over late on the first day, he came back for the second day's play and removed Scott Boland taken by the wicketkeeper.
Yet, on the final ball of his spell, he bowled a change of pace to Travis Head and promptly felt at his leg.
Atkinson was recalled for the fourth Ashes Test after being left out the Adelaide game.
