Tendinitis

Tendinitis is inflammation, irritation, and swelling of a tendon, which is the fibrous structure that joins muscle to bone. Tendinitis pain in the knee is located in the front of the knee. The pain gets worse when going up and down stairs or inclines. Tendinitis knee pain can happen in runners, skiers, and cyclists.

Review Date: 12/12/2022
Reviewed By: C. Benjamin Ma, MD, Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic Surgery, San Francisco, CA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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