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Trigger finger, also known as stenosing tenosynovitis, is a disorder characterized by catching or locking of the involved finger in full or near full flexion, typically with force. [2] There may be tenderness in the palm of the hand near the last skin crease (distal palmar crease ). [ 3 ]
Infectious tenosynovitis in 2.5% to 9.4% of all hand infections. Kanavel's cardinal signs are used to diagnose infectious tenosynovitis. They are: tenderness to touch along the flexor aspect of the finger, fusiform enlargement of the affected finger, the finger being held in slight flexion at rest, and severe pain with passive extension.
The takeup is the least critical stage of the trigger pull, and individual preferences vary widely. Two-stage triggers, for example, consist of a noticeable takeup, followed by a distinct increase in the force required to pull the trigger, followed by the break. A single-stage trigger, on the other hand, has no discernible movement before the ...
The term "trigger point" was coined in 1942 by Dr. Janet Travell to describe a clinical finding with the following characteristics: [citation needed]. Pain related to a discrete, irritable point in skeletal muscle or fascia, not caused by acute local trauma, inflammation, degeneration, neoplasm or infection.
Here, experts explain knuckle cracking and if the habit is bad for you. There is a common concern that cracking your knuckles causes arthritis. Here, experts explain knuckle cracking and if the ...
Trigger: A mechanism that actuates the firing sequence of a firearm. Triggers almost universally consist of levers or buttons actuated by the index finger. Trigger pull restrictor (TPR): A quasi-selector device intended for automatic firearms using a staged trigger. Trunnion: a cylindrical protrusion used as a mounting and/or pivoting point. On ...
These weapons also generally lack any type of external safety. DAO is common among police agencies and for small, personal protection firearms. The primary drawback is that the additional trigger pull weight and travel required for each shot reduces accuracy. Pre-set triggers offer a balance of pull weight, trigger travel, safety, and consistency.
Bloody knuckles is a game in which each player makes a fist with the thumb wrapped around the other fingers. Then each fist punches the other's fist. Players who flinch are out of the game. Whoever lasts the longest before quitting wins the game. [1] The game is played until someone's knuckles are bleeding or they quit due to excessive pain. [2]