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By Mayo Clinic staffKnee bursitis can be caused by:
- Frequent and sustained pressure, such as from kneeling
- A direct blow to your knee
- Frequent falls on your knee
- Bacterial infection of the bursa
- Complications from osteoarthritis, rheumatoid arthritis or gout in your knee
References
- Questions and answers about bursitis and tendinitis. National Institute of Arthritis and Musculoskeletal and Skin Diseases. http://www.niams.nih.gov/Health_Info/Bursitis/bursitis_tendinitis_qa.pdf. Accessed Feb. 17, 2009.
- Hanada E, et al. Knee bursitis. In: Frontera WR, et al. Essentials of Physical Medicine and Rehabilitation. 2nd ed. Philadelphia, Pa.: Saunders Elsevier; 2008. http://www.mdconsult.com/das/book/body/120873802-11/805536116/1678/65.html#4-u1.0-B978-1-4160-4007-1..50064-X_1032. Accessed Feb. 17, 2009.
- Anderson BC. Knee bursitis. http://www.uptodate.com/home/index.html. Accessed Feb. 17, 2009.
- Regional processes: Knee. In: Noble J, et al. Textbook of Primary Care Medicine. 3rd ed. St. Louis, Mo.: Mosby; 2001. http://www.mdconsult.com/das/book/body/125156294-3/814972377/959/864.html#4-u1.0-B0-323-00828-3..50139-4--cesec42_4185. Accessed March 11, 2009.
- Prepatellar (kneecap) bursitis. American Academy of Orthopaedic Surgeons. http://orthoinfo.aaos.org/topic.cfm?topic=A00338. Accessed March 11, 2009.
- Kouotouzis T, et al. Tendinopathy and bursitis. In: Marx JA, et al. Rosen's Emergency Medicine: Concepts and Clinical Practice. 6th ed. Philadelphia, Pa.: Mosby; 2006. http://www.mdconsult.com/das/book/body/125156294-3/814972377/1365/357.html#4-u1.0-B0-323-02845-4..50120-7--cesec40_5880. Accessed March 11, 2009.
- Huddleston JI, et al. Hip and knee pain. In: Firestein GS, et al. Kelley's Textbook of Rheumatology. 8th ed. Philadelphia, Pa.: W.B. Saunders; 2008. http://www.mdconsult.com/das/book/body/125156294-5/815026131/1807/290.html#4-u1.0-B978-1-4160-3285-4..10042-7--s0020_1201. Accessed March 11, 2009.