Paceman Gus Atkinson Adds to England's Fitness Concerns.
'Significant concern' for the touring side after Atkinson goes off suffering a hamstring problem.
The pace bowler increased England's injury problems when he left the ground early on day two in the Melbourne Test in the Ashes series.
The right-arm seamer experienced discomfort in his left hamstring immediately following a delivery in his spell on Saturday.
The England team indicated Atkinson felt some "soreness" and would spend time off the field to undergo evaluation "in the coming hours".
The concluding match in this Ashes battle at the SCG starts this coming Sunday.
England have already lost key quicks one seamer due to knee trouble and another paceman because of a side injury on the current trip.
Matthew Fisher was added to the party as injury reinforcement.
Atkinson struggled during the first two matches, managing only a handful of scalps.
He was omitted of the third Test, then recalled for the Boxing Day match to fill the void.
The county bowler showed better form in Melbourne, claiming a couple of wickets with the ball, then making 28 with the bat as one of just three English batsmen to get into double digits.
Following a brief spell in Australia's second innings, he returned on Saturday morning and removed Scott Boland Scott Boland caught behind.
Unfortunately, on the final ball of the fifth over, he delivered a slower ball to Travis Head and immediately felt for his hamstring.
Gus Atkinson was recalled for the Boxing Day Test after being left out the Adelaide game.
