Osgood-Schlatter disease is a self-limiting disorder of the knee, found during adolescence.
Osgood-Schlatter disease is common in active adolescents, possibly caused by multiple small avulsion fractures from contractions of the quadriceps muscles at their insertion into the proximal tibial apophysis (ossification centre).1
This is a companion discussion topic for the original article at https://patient.info/doctor/paediatrics/osgood-schlatter-disease-pro