How do you treat a locked finger? Can trigger finger go away on its own? What to do for trigger thumb? Causes of Trigger Finger Most of the time, it comes from a repeated movement or forceful use of your finger or thumb. Stenosing tenosynovitis is a condition commonly known as “trigger finger.
It is sometimes also called “trigger thumb.
The tendons that bend the fingers glide easily with the help of pulleys. These pulleys hold the tendons close to the bone. Holding something firmly in a set position for a long time also causes joints to lock up.
This causes the tendon to catch on the sheath, locking the finger in place. Once the finger is manually straightene it may snap straight out as the tendon moves again suddenly. These tendons can be thought of as ropes that connect the muscles in the forearm to the bones of the finger.
Trigger finger , or stenosing tenosynovitis, involves the tendons in the hand that bend the fingers. As the tendon moves into the finger , it runs through a tunnel of sorts that we refer to as the flexor sheath. Some common causes of locking finger joints include repeated movement of the finger, diabetes, gout and rheumatoid arthritis, states WebMD.