Knee pain
at school, had surgery, then fractured my patella and had major surgery again 2 weeks after the first. They had to do an open reduction internal fixation of my patella :( I had a lot of pain from the screws
Bad knees
My knees began having problems after a soccer injury about 10 years ago. Apparantly my tendons are loose so don't hold the patella in place which causes it to dislocate. The only way to avoid more