Risk factors include overuse, especially sports which involve running or jumping. The underlying mechanism is repeated tension on the growth plate of the upper tibia. It also occurs frequently in male pole vaulters aged 14–22.
Osgood–Schlatter disease
Patellar tendinitis
Runner's knee
Osteochondritis dissecans
Osteochondrosis
Meniscal cyst
Colles' fracture
Osteochondroma