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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 ]
The method employs the use of the index finger along the side of the gun to aim the gun, and the middle finger is used to pull the trigger. Mention of the use of the middle finger can be found in books from the early 1800s up through the 20th century: 1804, [ 5 ] 1810, [ 6 ] 1816, [ 7 ] 1829 [ 8 ] 1835, [ 4 ] 1885, [ 9 ] 1898, [ 10 ] 1900, [ 11 ...
A boxer's fracture is the break of the fifth metacarpal bone of the hand near the knuckle. [4] Occasionally, it is used to refer to fractures of the fourth metacarpal as well. [1] Symptoms include pain and a depressed knuckle. [2] Classically, it occurs after a person hits an object with a closed fist. [3]
Sear shown in a revolver action. In a firearm, the sear is the part of the trigger mechanism that holds the hammer, striker, or bolt back until the correct amount of pressure has been applied to the trigger, at which point the hammer, striker, or bolt is released to discharge the weapon.
Back pain. When your back aches and there’s no obvious cause (like lifting heavy boxes or falling), inflammation could be the root cause. Inflammatory back pain tends to come on gradually and ...
A slip gun is a revolver which has been modified to disconnect the trigger from the hammer, so as to cause it to fire by pulling back and releasing the hammer. [citation needed] Often the hammer spur is lowered, so the gun may be fired by wiping one's finger across the hammer. The only difference from fanning is that only one hand is needed ...
With an estimated 52.5 million adults in the U.S. affected by arthritis alone and up to 24% of adults experiencing muscle pain during their lifetime, effective topical pain relievers can be life ...
The cracking of joints, especially knuckles, was long believed to lead to arthritis and other joint problems. However, this is not supported by medical research. [2] [3] The cracking mechanism and the resulting sound is caused by dissolved gas (nitrogen gas) cavitation bubbles suddenly collapsing inside the joints. This happens when the joint ...