Trigger finger, also known as stenosing tenosynovitis, is a condition that affects the tendons in the fingers or thumb. It causes one or more fingers to become stuck in a bent position, which may straighten with a snap — like a trigger being pulled and released. The affected finger may also be painful and tender.
The primary cause of trigger finger is a thickening of the tendon sheath, which can interfere with the normal gliding motion of the tendon through the sheath. The exact cause of this thickening is not always known, but it can be associated with repeated or forceful use of the finger, as well as certain medical conditions such as rheumatoid arthritis, diabetes, and hypothyroidism. It is more common in women than in men and tends to occur most frequently in people between the ages of 40 and 60.
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Recovery is a process. It takes time, patience and obviously rest.