The 25-year-old has not played since the second leg of Rangers‘ Europa League tie with Athletic Club back in April.
He suffered an Achilles tendon injury and was stretchered off.
Sterling did not feature under Russell Martin, who was sacked at the weekend after a 123-day reign at Ibrox.
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On Wednesday, Sterling took to Instagram to share some pictures of his rehab, including some of him back out on the pitch training.
It is not yet clear when Sterling will make his return to action.
Meanwhile, Rangers’ search for a new manager continues, with Steven Gerrard widely linked to the vacant post.
Recently speaking on Rio Ferdinand’s podcast, the Liverpool legend admitted he has ‘unfinished business’ in management.
Gerrard said: “I’d love another go at some point.
“I want to change a few things and improve a few things and come back fresh with a few different people around myself.
“I’d love another couple of challenges doing this.
“And that’s what I’m working on in the background at the moment.
“A few different ideas, a few different people around me.
“Now, I’m enjoying family time and doing a lot of things that I haven’t been able to do.
“Going to Grand Prix, doing exhibition games with ex-teammates and superstars, that type of stuff’s been great.
“But there’s a part of me that still feels that there’s a bit of unfinished business in terms of wanting to go in and face another couple of exciting challenges.
“But I want a certain type of challenge.
“If in an ideal world they come available, I’ll jump at them.
“If they don’t, I won’t go back in.
“I want to be at a team that’s going to compete to win because I think that suits me better.
“I think certain jobs and certain clubs would suit my style and the way I like to go about it.
“But I’ve also got time now where I’m not in a rush, where I know the right people that are out there to make me a stronger and a better coach.
“They’re the people I need to find.”