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This condition limits finger movement, causing your finger to catch when you try to straighten it. Long flexor tendons that run from the muscles in the wrist to the bones in the fingers and thumb control digit movement.
Each time you move a finger or thumb, this tendon slides into a tendon sheath that keeps it in place. When the tendon becomes irritated or inflamed, it can thicken and become stuck when it tries to move through the sheath tunnel. When you try to straighten your finger, it may pop forward just as the tendon is released through the tightened area.
This condition normally affects middle-aged adults and is sometimes seen more in people who have diabetes or rheumatoid arthritis.
Patients report having a lump in their palm, swelling and popping in the joint, along with pain when using the finger. Conservative treatments such as splinting, rest, use of ice packs, non-steroidal anti-inflammatory medications or steroid injections are the first line of treatment. If the conditions worsens and the finger becomes more painful and stiff, some patients opt for surgery.
The surgery is done using local anesthesia to numb the site. The surgeon makes a small incision in the palm of the hand and cuts the tendon sheath tunnel. After it heals, the tunnel is wider and more flexible, allowing the tendon to pass through more easily.
Learn What to Expect from Trigger Finger Release Surgery
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