Tendons connect bones to muscles in the body. Flexor tendons of the thumb and fingers pull the fingers into a fist. The tendons are enclosed in a synovial sheath. When this sheath becomes inflamed it can cause trigger finger.
Usually, tendons slide easily through the sheath as the finger moves. In the case of trigger finger, the synovial sheath is swollen. The tendon cannot move easily. This causes the finger to remain in a flexed (bent) position. In mild cases, the finger may be straightened with a pop. In severe cases, the finger becomes stuck in the bent position. Usually, this condition can easily be treated.
Talk with your doctor about the best plan for you. The goal of treatment is to reduce swelling and pain. This will allow the tendon to move freely in the sheath. Treatment options include the following:
Stopping movement in the finger or thumb is often the best treatment for mild cases of trigger finger. A brace or splint may be used. Rest may be combined with stretching the tendon.
Nonsteroidal anti-inflammatory drugs (NSAIDs)
Severe cases of trigger finger may not respond to medications. In this case, surgery may be used to release the tendon from a locked position. This surgery is usually performed on an outpatient basis. It only requires a small incision in the palm of the hand.
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