Trigger Finger Anatomy

The condition you are describing may be trigger finger or trigger thumb and is frequently caused by overuse. When pried open the finger will then straighten like a trigger being released.

Can A Doctor Distinguish Dupuytren S From Trigger Finger In

Trigger fingers are more common with certain medical conditions such as rheumatoid arthritis gout and diabetes.

Trigger finger anatomy. Operative surgical debridement and release of the a 1 pulley indications in cases that fail nonoperative treatment. The condition is also known as stenosing tenosynovitis the ring finger and thumb are most often affected by trigger finger. It develops due to repetitive microinjury from frequent flexion extension movements of the fingers.

It has a prevalence of approximately 2 in 100 people and can be associated with other conditions including rheumatoid arthritis amyloidosis and diabetes mellitus. It can affect one or more tendons of the hand with most cases occurring spontaneously in otherwise healthy individuals. 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 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. 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 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 causes pain stiffness and a sensation of locking or catching when you bend and straighten your finger. Stenosing tenosynovitis is commonly known as trigger finger. It develops due to repetitive microinjury from frequent flexion extension movements of the fingers.

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. Trigger finger is a type of stenosing tenosynovitis. 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.

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. 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.

Trigger Finger Stenosing Tenosynovitis