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Finger dislocation, also called a finger jam, is a common injury. It occurs when the bones of the finger are moved (dislocated) from their normal position. A dislocated finger can occur in any of the joints of any finger, but it occurs most often in the middle knuckle of the little, ring, middle, or index finger.
We called it a jammed finger. Invariably someone would try to unjam it for us. Theyâd catch hold and pull with a jerk as hard as they could. I still see it in the office. Grown men and women pulling on their jammed fingers after injuring them on a home project. Itâs bound to happen in disasters. The problem is, a jammed finger is usually a sprain. Sometimes thereâs a broken bone, or a torn tendon or ligament. Pulling on it is not going to help. It only causes needless pain and can damage the joint further. Even if itâs truly dislocated, pulling the finger with a jerk to unjam it is never the treatment. Just like ankles, knees, and other joints, finger joints have tendons and ligaments. They get sprained, even torn, and, like other injured joints, swell up.