Normal Finger. The rings are called pulleys.
Trigger finger. Notice the swelling (bump) on the tendon.
TRIGGER DIGIT
How does it feel?
Your finger is sore and stiff
It catches or gets stuck when you bend it
What causes it?
Think of your finger like a fishing pole; you have rings to hold the lines in place
Tendons are the lines that muscles use to move bones. Your finger has five rings to hold the tendons in place
Out of the blue, for no rhyme or reason, healthy people doing healthy things get a swelling on the tendon
The swelling on the tendon has trouble passing through the ring
This may run in families--you may have a narrower tunnel
What can you do?
Monitor it- they are safe and benign
Cortisone injection
Works about 50% of the time
Can take up to two months to work
Surgery