Doctors are warning local residents to take care when exercising again as the novel coronavirus pandemic wanes in Chinaafter seeing several sports injury cases.

Shanghai No. 6 People’s Hospital had a number of cases in recent weeks of people suffering bone or nerve injuries because of exercises that were too strenuous as people started to exercise again after being at home for months.

Dr ZhangChangqing said that one 48-year-old man who played badminton in March after stopping for months started to feel pains in his legs in April. He finally went to the hospital after the pains became worse and he was unable to walk.

The patient was found to have pressure on hisperonealnerve as a result of not exercising for a while and then starting to play again at a high intensity.

He needed surgery to relieve the pressure on his knee.