Diagnosis is generally based on symptoms and a physical examination. Ultrasound or magnetic resonance imaging may help clarify how severe the problem is.
Patellar tendinitis
Osgood–Schlatter disease
Pes anserine bursitis
Chondromalacia patellae
Prepatellar bursitis
Patellofemoral pain syndrome
Infrapatellar bursitis
Ischial bursitis