Anterior knee pain caused by overuse. Common in women, obese and diabetic. Patient presents with localized tenderness, decreased range of motion, edema and erythema. Patient mah have a history of trauma or inflammatory disease. Diagnosis is made clinically. Needle aspiration is indicated if septic bursitis is suspected. Best initial test is rest, heat/ice, elevation and NSAIDS. Intrabursal corticosteroids injection can be given but are contraindicated in suspicion of septic bursitis.