Seamer Atkinson Compounds England's Injury Worries.
'Serious blow' for the English camp after Atkinson is forced off with a hamstring injury.
Gus Atkinson further complicated England's injury problems after leaving the field on the second morning of the Boxing Day Test versus the Australians.
Atkinson felt a problem in his left hamstring post-delivery that he bowled on Saturday.
The England team stated the 27-year-old reported "discomfort" and would spend time off the field to undergo evaluation "during the day".
The concluding match of the series beginning on 4 January gets underway at the end of the week.
The English side has already lost key quicks Mark Wood with a knee problem and Jofra Archer because of a side injury on this Ashes tour.
A replacement bowler was called up as injury reinforcement.
The seamer had a tough time early in the series, taking just three wickets.
He was omitted of the third Test, only to be brought back for the Boxing Day match as Archer's replacement.
The county bowler showed better form in Melbourne, bagging two scalps with the ball, then making 28 with the bat among just a trio of England players to reach double figures.
After bowling one over at the end of day one, he came back the next day and removed Scott Boland Scott Boland caught behind.
Unfortunately, on the final ball of his spell, he delivered a slower ball to Travis Head and suddenly grabbed at his leg.
The English bowler returned to the side for the fourth Ashes Test after being left out of the third.