Fast bowler Atkinson Exacerbates England's Fitness Problems.
'Significant concern' for the touring side as Atkinson goes off suffering a hamstring problem.
The pace bowler further complicated England's injury problems upon exiting the playing area on the second morning of the Boxing Day Test against Australia.
The pace bowler pulled up with his left hamstring immediately following a delivery of the fourth over at the MCG.
The touring camp stated Atkinson had experienced "tightness" and would spend time on the sidelines for further assessment "during the day".
The series decider of the series at the SCG begins at the end of the week.
England have already lost fast bowlers one seamer to a knee injury and Jofra Archer because of a side injury during this series.
Matthew Fisher was brought into the squad to provide backup.
His form was underwhelming during the first two matches, taking just three wickets.
He was left out for the Adelaide match, then recalled for the fourth Test in the playing XI.
Surrey's Atkinson improved at the MCG, taking two wickets in Australia's first innings, then making 28 while batting among just a trio of teammates to reach double figures.
Post a single over at the end of day one, he returned on Saturday morning and dismissed the nightwatchman Scott Boland caught behind.
Yet, towards the conclusion of the fifth over, he sent down a variation to the batsman and promptly felt for his hamstring.
Gus Atkinson was recalled for the Melbourne match after being left out the Adelaide game.
