It has a prevalence of approximately 2 in 100 people and can be associated with other conditions including rheumatoid arthritis amyloidosis and diabetes mellitus. Trigger finger is a type of stenosing tenosynovitis.
Trigger Finger Information Florida Orthopaedic Institute
When pried open the finger will then straighten like a trigger being released.
Trigger finger anatomy. Trigger finger tf is one of the most common upper limb problems to be encountered in orthopedic practice and is also one of the most common causes of hand pain and disability. Stenosing tenosynovitis is commonly known as trigger finger. Release of a1 pulley and 1 slip of fds usually ulnar slip indications pediatric trigger finger presents with nottas nodule proximal to a1 pulley flexion contracture and triggering.
The condition is also known as stenosing tenosynovitis the ring finger and thumb are most often affected by trigger finger. Some examples of activities that might initiate this condition are power washing a deck for several hours using a rivet gun repetitively leash training a dog or opening window latches that have a lot of resistance. Trigger finger or stenosing tenosynovitis is an inflammatory condition in the fingers or thumb of the hand when the finger will get stuck in a curled position as if squeezing a trigger.
Trigger finger is a painful condition that affects one or more of the hands tendons making it difficult to bend the affected finger or thumb. Trigger finger is usually caused by swelling of one of the tendons that run along your fingers and thumbs see figures 1 and 2 although the exact reason why this occurs isnt fully understood. Trigger fingers are more common with certain medical conditions such as rheumatoid arthritis gout and diabetes.
It develops due to repetitive microinjury from frequent flexion extension movements of the fingers. It can affect one or more tendons of the hand with most cases occurring spontaneously in otherwise healthy individuals. Trigger finger causes pain stiffness and a sensation of locking or catching when you bend and straighten your finger.
Operative surgical debridement and release of the a 1 pulley indications in cases that fail nonoperative treatment. Trigger finger stenosing flexor tenosynovitis is a condition in which the finger or thumb click or lock when in flexion preventing a return to extension. It results from thickening of the flexor tendon within the distal aspect of the palmthis thickening causes abnormal gliding of the tendon within the tendon sheath.
The condition you are describing may be trigger finger or trigger thumb and is frequently caused by overuse. It develops due to repetitive microinjury from frequent flexion extension movements of the fingers.
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