It occurs due to swelling of either of the finger or thumb flexor tendon sheath +/- pulley. Usually in the palm.
Usually occurring in females 50-60 years of age and children under 6. The thumb & ring finger of the right hand are the most common digits affected.
Trigger finger can be associated with other conditions including; rheumatoid arthritis, osteoarthritis in the hand, diabetes and hypothyroidism. And can be caused by prolonged gripping of hand tools.
Trigger fingers are classified depending upon symptoms. Treatment will be determined by severity of symptoms and may include;
Education about the condition
Splinting and exercises
How to best use your hand in daily activities
Modifications to tools
Cortisone injection benefit many people with Trigger Finger. When symptoms are severe, referral to a hand plastic or orthopaedic surgeon for an opinion is recommended.