Start with understanding
Trigger finger occurs when a finger-flexing tendon does not glide smoothly through a pulley near the base of the finger. The finger or thumb may catch, click, or lock as you bend or straighten it. Pain or tenderness may be felt on the palm side.
The main concern is what the catching stops you from doing. Primal can help you describe those limits and find an appropriate assessment. A hand that needs to grip a tool, prepare food, or button a shirt deserves a plan built around those tasks.
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Explore the written guide and illustrated lessons below.
Connect understanding to daily life
Describe the catch itself
Tell your clinician which digit is affected, when it catches, and whether it gets stuck. Morning stiffness or locking after rest is common. Mention whether another hand is needed to release it, but do not repeatedly force the finger through a painful catch as a home test.
Distinguish a tendon problem from other hand complaints
Triggering involves the tendon’s passage through a pulley. Arthritis, injury, and nerve problems can also affect the hand but are different explanations. Numbness or tingling should be reported separately rather than assumed to be part of the trigger-finger diagnosis.
Your work matters without being the whole cause
Many cases begin without a clear cause. Hand use can aggravate the symptoms, and conditions such as diabetes may be relevant to the care discussion. Bring examples of the grips and tools you use. The point is to make a workable plan, not to decide that one habit must have created the problem.
Options depend on symptoms and response
Selected cases may use activity changes, splinting, or a steroid injection; persistent cases may lead to a release procedure. Ask about expected benefit, risks, and alternatives before choosing an option. A finger that remains locked or prevents normal activity should be assessed rather than managed indefinitely with reassurance alone.
Keep the goal specific
Choose a task affected by the catch and discuss how you will know whether care is helping. Is the finger moving more freely? Can you perform the task without interruption? Ask when persistent or recurring locking should lead to another review and what the next decision would involve.
Educational information complements individual guidance. Your health history, goals, and examination determine appropriate care.
Build your understanding
Five ideas to build your understanding. Swipe, use the arrows, or focus the slides and use your keyboard.
Can trigger finger affect the thumb?
Yes. When the thumb is involved it is often called trigger thumb. Assessment and treatment are tailored to the affected digit.
Is triggering the same as hand arthritis?
No. Triggering is associated with a tendon and its pulley. Joint pain or stiffness may have another explanation, although more than one problem can coexist.
What the evidence means for you
Catching has a specific mechanical explanation
AAOS describes a mismatch between the tendon and its pulley that interferes with smooth gliding. Diagnosis is usually based on history and examination.
Put it to use: Explain locking and movement limits rather than choosing a diagnosis from pain alone.
Keep in mind: This mechanism does not explain every stiff or clicking finger.
AAOS OrthoInfo · clinical guidance →Aggravation is not proof that work caused it
BSSH notes limited evidence that work causes triggering, while hand use may worsen pain; treatment options depend on the presentation.
Put it to use: Discuss the tasks you need to maintain and the alternatives available.
Keep in mind: Patient guidance does not predict which treatment will succeed for you.
British Society for Surgery of the Hand · patient guidance →