76-year-old Ron came to see me in 2009 for a problem in his right hand. He had a pain in the centre of the palm and his middle finger would lock when it bent, and he had to use the other hand to straighten it out. This condition is called "tenosynovitis", which is a local inflammation causing thickening in the tendon sheath. Because the movement of the tendon is restricted by the thickened tendon sheath, the finger is locked in a bending position, which is called "trigger finger". I found a f...
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