Some athletes suffer from knee pain below the patella (kneecap) known as patellar tendonitis. The majority of athletes affected by patellar tendonitis are between the ages of 10 and 16. The pain usually has a gradual onset due to overuse activity. If tendonitis is left untreated, the pain can become debilitating and additional injury may occur.

Arthrocentesis involves both the puncture of a joint and the aspiration of its synovial fluid. It is typically used to make an accurate diagnosis of a painful, warm, swollen joint. Removal of excess fluid can be therapeutic. Analysis of the removed fluid helps to decipher its etiology.

What is Achilles Tendonitis?

Inflammation around or within the largest tendon in the foot and ankle.

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