Hi my 12yr old ds can't straighten his knee! Took him to docs, who said go to A&E and get xray, they then said he's got osgood schallter disease! He has bumps on his knees and at the moment, can bend his knee but hurts to straighten it! He plays a lot of sports and football! At the mo is on complete rest, and has to have physio,anyone's child had it and been able to continue to play sports? And how long did it take to recover from? Thanks in advance 😊