Michael Kjaer, Bispebjerg Hospital (IMAGE) Aarhus University Caption "Based on our results, we actually think that the cells living in the tendon are in a kind of hibernation state, and therefore don't manage to wake up and repair the tendon when it's injured," said professor Michael Kjaer, who is head of the Department of Sports Medicine, Bispebjerg Hospital. Credit Bisbebjerg Hospital Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.