Ibrahimovic made his first Manchester United look of the season on Saturday after being out for seven months with cruciate ligament injury.
The preliminary time-frame had Ibrahimovic now not returning till 2018 however the former Sweden global got here off the bench within the Four-1 win over Newcastle and gave the look of he had by no means been away.
But Swedish knee specialist Markus Walden has claimed Ibrahimovic’s ligaments may ruin once more quickly.
“In general, the time before reset is between six and nine months. The trend is to approach nine months more than six,” Walden instructed Swedish newspaper Expressen.
“The moderate time for a qualified participant is seven months to the primary coaching consultation and 8 months to the primary fit.
“The ligament would possibly ruin once more. The chance is the best within the first 12 months after running.
“At least part, possibly 3 out of 4 operated ligaments that ruin aside achieve this inside one and a part years after surgical operation.”
Speaking after his comeback, Ibrahimovic published his knee used to be extra injured than first idea.
He instructed MUTV: “I instructed you, lions do not get better like people.
“That I’ve now proved, moderately than simply announcing it.
“But if other people knew what sort of injury I had, they wouldn’t imagine this.
“People imagine I simplest had an ACL (anterior cruciate ligament) injury, however I had extra stuff in my knee that used to be injured.
“I want to keep that to myself, though, because I don’t need to tell the world – it’s very sensitive.”