What is trigger finger?
Triger finger is a condition that causes the fingers or thumb to suddenly snap or lock when bent. It is caused by inflammation and swelling of the tendons in the finger and it is more likely to develop in females and usually in the 50s to 60s age group
What causes trigger finger?
- Inflammation or injury to the tendon sheaths
- Overuse or repetitive strain to tendons in the finger (e.g. carrying shopping bags or a briefcase, prolonged writing, rock climbing, or the strenuous grasping of small tools)
- Rheumatoid arthritis
- Painless clicking initially during finger movement
- Can progress to painful catching or popping
- Finger stiffness and swelling (especially in the morning)
- Painful nodule may be felt along the finger tendon or at the base of finger