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MCP JOINT. The metacarpophalangeal (MCP) joint most commonly dislocated is that of the thumb. A simple dislocation involves no soft tissue obstruction, and reduction should be attempted. A complex dislocation involves intervening soft tissue (i.e., ligaments, musculature, or fascia) and requires surgical reduction.CP JOINT. The metacarpophalangeal (MCP) joint most commonly dislocated is that of the thumb. A simple dislocation involves no soft tissue obstruction, and reduction should be attempted. A complex dislocation involves intervening soft tissue (i.e., ligaments, musculature, or fascia) and requires surgical reduction.
A dislocated finger occurs when the bones of a finger are moved out of their normal position because of the impact of the fingers against an object, person, ball, or piece of equipment. There are three joints in each finger (not counting the thumb).The middle joint is the one most frequently injured in athletes. dislocated finger occurs when the bones of a finger are moved out of their normal position because of the impact of the fingers against an object, person, ball, or piece of equipment. There are three joints in each finger (not counting the thumb).