Hargreaves is aiming to be back in training this week and ready for Monday's Premier League game against Portsmouth.
He in back in training and working pain-free, although he has yet to join in sessions with the first-team squad.
"We're going to enjoy today and tomorrow and then we'll be back in training on Tuesday, " said Heat coach Paul James.
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And with Milner back in training after a month off following the World Cup, O'Neill was keen to resolve the issue.
"It didn't affect me mentally in any way, but physically it set me back in training -- 200 training mainly -- practically for maybe a month, " he said.
Of United's other current injury problems, Ferguson said both skipper Gary Neville and veteran front-man Ole Gunnar Solskjaer should be back in training ahead of the first match of the season against Reading on 12 August.
Dave Hibbert and reserve keeper Glyn Garner will also be missing and are not expected back in training for the next 10 days, while Shane Cansdell-Sherriff is a doubt as he has picked up a slight groin strain.
Ekimov, who has helped Armstrong win five Tours, injured his back in a training crash in April.
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Expect Enqvist to come under challenge during the season which culminates in London and Henman, who is back in serious training would love to cap his comeback with a title win in his home city, something he never managed during his ATP Tour career, despite near misses at Wimbledon and Queens Club.
Henson is back in full training following surgery in the summer on the injury he picked up last April.
Djourou dislocated his shoulder against Manchester United on 12 March but like Szczesny he is back in full training.
Pizarro and Rosenberg, who both missed Saturday's defeat to Karlsruhe as a precaution, were both back in full training on Tuesday.
Less than three weeks later, in January 1988, Deutsch used some of the cash to get back in the training business.
Backup goalkeeper Oumar Diallo was back in full training, meaning the uncapped Jeanne D'Arc goalkeeper Kalidou Cissokho is no longer first reserve.
But Wales boss John Toshack is boosted by the news Gabbidon's Hammers team-mate Jack Collison is back in full training after recovering from a knee injury.
Meanwhile, St Mirren goalkeeper Chris Smith could be back in full training as early as the beginning of next month after making a remarkable recovery from cruciate ligament surgery.
Meanwhile, midfielder Beto Carranza is now back in full training after recovering from the knee injury that has kept him out of the Dundee side since the opening pre-season game at Raith Rovers.
Louw had said when the runner was in detention that he wanted to put him back into training in the event that he was granted bail.
He moved to the bullpen to make room for Garza, who strained a back muscle in spring training.
But he is making the transition to center field and was hampered by back spasms in spring training.
Oumar Diallo is another who is short of fitness, though the reserve goalkeeper hopes to be back to full training in the next few days.
Shantry admits he is not missing the freezing conditions of the English winter but he is keeping in touch with his Worcestershire colleagues who are in back in pre-season training.
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Vonn has emerged successfully from past injuries, coming back from a shocking crash in downhill training at the 2006 Olympics, which left her with a badly bruised back.
Michelson spent extra time training in back surgery at a fellowship in Houston, then moved to Los Angeles in 1980.
His Dark Blue counterpart Sam McLennan is part of the Oxford reserve crew, Isis, after a back injury spoiled his training in the run-up to the race.
Evans hopes that the information discovered allows him to get back to training umpires for jobs in professional baseball.
He feels that he had a little dip physically, but he's working very hard in training to come back.
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Of those who have completed the Youth Adult Internship Programme, so far, at least half have found work, are back in school or are continuing further training.
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