Jumper’s knee is most common in basketball, volleyball and soccer, which require explosive jumping movements. The condition is also seen in long jumpers and high jumpers, as well as in walkers, figure skaters and mountain climbers. Symptoms Pain and/or swelling below the kneecap Pain that is especially noticeable when sitting, straightening the leg, pressing against the tendon, or going up and down stairs Pain that increases with physical activity. Treatment Rest for 2-4 weeks or until the symptoms disappear. Apply ice for 15-20 minutes, 3-4 times a day for 2-3 days or until the pain subsides. Aspirin, acetaminophen, ibuprofen, and naproxen may relieve pain. Aspirin, ibuprofen, and naproxen may relieve pain and reduce inflammation. See a doctor if the pain persists even during daily activities.