Trapeziometacarpal Ligament Anatomy, Operate & Diagram

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The main trapeziometacarpal ligament is often known as the anterior indirect ligament. It stabilizes the thumb’s trapeziometacarpal joint. This joint connects the trapezium to the primary metacarpal bone. The trapezium is a small carpal bone positioned beneath the thumb. The trapeziometacarpal ligament originates on a ridge-like bump on the trapezium. This is named a tubercle. It inserts into the bottom of the primary metacarpal bone. The ligament is stretched when the thumb is prolonged or rotated inward. It offers mobility however it additionally prevents dislocation. In some instances, it could stay partly unhurt even when the joint is dislocated. Osteoarthritis of the joint is widespread. Critical instances could be handled with surgical procedure. The most typical surgical approach includes trapeziectomy. This refers to eradicating the trapezium.

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