What Is Trigger Finger?
Trigger finger (stenosing tenosynovitis) occurs when the tendon sheath surrounding the flexor tendon becomes inflamed and narrowed, preventing smooth gliding and causing the characteristic catching or locking sensation. Any finger can be affected, including the thumb.
Symptoms
- Stiffness or catching when bending the finger
- A popping or clicking sensation with movement
- Tenderness at the base of the finger on the palm side
- Finger locked in a bent position requiring manual straightening
- Morning pain and stiffness
Treatment Options
Splinting
In early or mild cases, a splint holding the finger in extension can reduce inflammation and allow healing — most effective when initiated early.
Corticosteroid Injection
An injection into the tendon sheath reduces inflammation and resolves triggering in the majority of patients, often with lasting results after a single injection.
Trigger Finger Release Surgery
When injections fail, surgical release under local anesthesia is highly effective. Dr. Richards divides the A1 pulley at the base of the finger, allowing the tendon to glide freely. Recovery is quick — most patients regain full motion within weeks.