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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.
To treat a jammed finger which has been dislocated, it is usually best to consult a medical professional. In an emergency, you may be able to reset a dislocated finger yourself with a deliberate pulling action, but keep in mind that the process can be extremely painful to endure.