Seven-time Formula One world champion Michael Schumacher has shown encouraging signs of improvement as he continues his recovery from severe head injuries sustained in a skiing accident at the end of December.

The 45-year-old has been in a coma for almost 100 days since the incident but his manager Sabine Kehm has offered some encouraging news which suggest that the F1 legend might still make a miraculous recovery from his injuries.

"Michael is making progress", Kehm was quoted as saying by the Independent. "He shows moments of consciousness and awakening."

"We are on his side during his long and difficult fight, together with the team at the hospital in Grenoble, and we remain confident."

Doctors had previously warned Schumacher's fans to "prepare for the worst" as the German's coma extended from days to weeks to months, raising serious questions as to whether it was even medically possible for him to recover and, if he did, what would his quality of life be afterwards.

Kehm was unwilling to mention the specific details of his medical situation and thanked the assembled media for their understanding that Schumacher's family won't be disclosing details of his condition.

"This is necessary to protect the privacy of Michael and his family, and to enable the medical team to work in full calmness", she added.