Anserine tendinobursitis syndrome is a pain to the inner part of the leg, just below the knee joint. It is at a location where three tendons meet and connect to bone. The muscles include the sartorius, gracilis, and semitendinosus. There are also one or more bursae at this location. A bursa is a fluid-filled sac that decreases friction between bones and muscles.
When bursae become inflamed it is called
bursitis. When tendons become inflamed it is called
tendonitis. For this pain syndrome, the exact cause is unknown, but it may involve injury or inflammation to the tendons or bursae.
Pain worsens with bending and straightening of knee
Pain worsens with exercise
Your doctor will ask about your symptoms and medical history. A physical exam will be done. You will be asked to show exactly where you feel the pain. Often diagnosis is made by physical exam alone. Sometimes an
is performed to rule out other injuries.
Talk with your doctor about the best plan for you. Treatment options include the following:
You will be instructed to rest the affected knee until the pain goes away. You may also be advised to ice your knee 3-4 times a day to decrease the inflammation.
You may be referred to physical therapy.
Nonsteroidal antiinflammatory drugs (NSAIDs) help with pain and inflammation. Your doctor will advise you which NSAID to take and how often.
You may also receive a steroid injection directly into your knee to relieve pain and inflammation.
To help reduce your chance of anserine tendinobursitis:
When increasing your workout or run, do so gradually
Stretch before and after your workout
Wear appropriate shoes for the specific activity and your feet
Follow your doctors directions to manage any underlying conditions
Pes anserine (knee tendon) bursitis. American Academy of Orthopaedic Surgeons Ortho info website. Available at: http://orthoinfo.aaos.org/topic.cfm?topic=A00335. Updated March 2014. Accessed November 10, 2017.
Uson J, Aguado P, et al. Pes anserinus tendino-bursitis: what are we talking about? Scand J Rheumatol. 2000;29(3):184-186.
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