QPR's medical team are pulling out all the stops to get Jamie Mackie ready for the coming season, after the Scottish international striker suffered a broken leg earlier this year.
The Rs have since reported that Mackie may miss the start of the season, but have put everything behind his rehabilitation.
Nigel Cox, Head Physio at Loftus Road, said: "Jamie has been doing really well, he has worked very hard throughout the summer and has done everything he can to speed up the recovery process.
"His own personal aim was to be fit for our first game of the season, although that was always going to be a very tight target.
"We visited the surgeon again last week for a check-up, and it appears the fracture site itself needs a little more time to heal, so we need to be careful.
"It's a mother-nature thing more than anything else," Cox continued. "There is nothing Jamie could have done which would have helped speed up this part of the process, it is simply a case of waiting for the bone to heal.
"It means Jamie's target will have to be adjusted but the good thing is that he is a naturally fit lad and very strong."
Mackie broke his leg during QPR's FA cup defeat to Birmingham, and will now also miss all of QPR's preseason fixtures in order to heal.
"The facilities Jamie needs are all available at our training ground in Harlington or locally, which means it makes sense for him to remain here while the team travel to Cornwall and Italy next week," Cox added.
"The two tours we're going on incorporate a lot of games, which is contrary to what Jamie needs at this moment in time, so he will stay back and do some specific work which will be of greater benefit to him."
Rangers boss Neil Warnock pledged his support to the recovering 25-year-old, stressing the need for caution. He said: "He's working really hard Jamie, you don't have to ask the question.
"He's desperate to play a game before the end of pre-season. But we won't let him join in at the moment."
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