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Dec 3, 2022 · Trigger finger makes a finger get stuck in a bent position. It may straighten suddenly with a snap. The fingers most often affected are the ring finger and the thumb, but the condition can affect any finger.
Nov 29, 2023 · Trigger finger is a painful condition that makes your fingers or thumb catch or lock when you bend them. It can affect any finger or more than one finger at a time. You can also...
May 11, 2023 · Trigger finger happens when tendons, or their protective sheath, around your fingers or thumb swell up or thicken. The swelling makes it hard for your affected digits to move smoothly. Severe cases can “freeze” your fingers in a flexed position. Treatments are available.
What is Trigger Finger? A trigger finger is a very common and treatable problem. It can occur in both fingers and the thumbs, which have tendons that help them to bend. The flexor tendons that bend the fingers have a lining on the outside. This lining is called tenosynovium.
Trigger finger is thought to be caused by inflammation and subsequent narrowing of the A1 pulley of the affected digit, typically the third or fourth. The A1 pulley is most often affected, but there are some reported cases where the A2 and A3 pulleys were involved [1]. It can also occur in the thumb and is then called trigger thumb. [2] .
Dec 8, 2021 · Trigger Finger (trigger thumb when involving the thumb) is the inhibition of smooth tendon gliding due to mechanical impingement at the level of the A1 pulley that causes progressive pain, clicking, catching, and locking of the digit.
Trigger finger causes pain, stiffness, and a sensation of locking or catching when you bend and straighten your finger. The condition is also known as “stenosing tenosynovitis.” The ring finger and thumb are most often affected by trigger finger.
The diagnosis of trigger finger is largely based on a description by the patient of painful snapping or locking of the affected finger during flexion and extension movements. It may be observed on physical examination if the patient is asked to open and close the hand.
