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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] .
Jun 14, 2017 · Trigger finger causes movement in the finger to be limited. Whenever you try and straighten out the finger, it will catch or lock before it can pop out straight. This condition affects the tendons in the thumbs or fingers.
Trigger finger (also referred to as stenosing tenosynovitis) is a common musculoskeletal condition that is characterised by painful locking fingers that can interfere with day to day life. Physiotherapists play an important role in the conservative and post-operative treatment of trigger finger.
Wrist and Hand Examination - Physiopedia. Introduction. The hand and wrist form a group of complex, delicately balanced joints which are considered the most active portion of the upper extremity. Optimal overall function is important to so many activities of daily living.
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. Diagnosis is made by physical examination with presence of active triggering and tenderness at the A1 pulley.
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.
Dec 3, 2022 · Trigger finger happens when the tendon that controls that finger can't glide smoothly in the sheath that surrounds it. This may occur if part of the tendon sheath becomes swollen or if a small lump forms on the tendon. The condition is most common in women over the age of 50.
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.
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.
A trigger finger, sometimes referred to as a trigger thumb or stenosing tenosynovitis, can occur if one of three things happen: 1. The tendon enlarges (does not fit through pulley well); 2. The lining increases in thickness (does not fit through pulley well); 3. the pulley becomes thicker (the opening for the tendon gets smaller).
