Diagram Of Trigger Finger
It occurs when inflammation narrows the space within the sheath that.
Diagram of trigger finger. The condition is also known as stenosing tenosynovitis the ring finger and thumb are most often affected by trigger finger but it can occur in the other fingers as well. It can affect any finger or more than one. It results from thickening of the flexor tendon within the distal aspect of the palm. It works well with guns with light triggers like single action pistols.
Trigger finger is a condition that causes pain stiffness and a sensation of locking or catching when you bend and straighten your finger. Your finger may bend or straighten with a snap like a trigger being pulled and released. Why trigger finger placement matters using the tip of the finger to pull the trigger originated in rifle and bullseye pistol shooting. Because fingers are used for many everyday activities they are at higher risk than other parts of the body for traumatic injury including sports injuries workplace injuries and other accidents.
Trigger finger is also known as stenosing tenosynovitis stuh no sing ten o sin o vie tis. Trigger finger or trigger thumb medically known as stenosing tenosynovitis involves the pulleys and tendons in the hand that bend the fingers see diagram. Trigger finger is a condition in which one of your fingers gets stuck in a bent position. In trigger finger inflammation and hypertrophy of the retinacular sheath progressively restricts the motion of the flexor tendon 7 8 this sheath normally forms a pulley system comprised of a series of annular and cruciform pulleys in each digit that serve to maximize the flexor tendon s force production and efficiency of motion.
You might hear it called stenosing tenosynovitis. Trigger finger is a painful condition that makes your fingers or thumb catch or lock when you bend them. To understand where we put our finger on the trigger we have to understand what we re doing when we pull the trigger. Finger fractures may account for up to 10 of all bone fractures.
Treatment consists of splinting anti inflammatory medications steroid injections and surgical release. Trigger finger tf is one of the most common upper limb problems to be encountered in orthopedic practice and is also one of the most common causes of hand pain and disability.