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Extensor Retinaculum of Hand

Last Updated: Jun 26, 2015

The extensor retinaculum of the hand consists of a group of heavy connective fibers in the tissues of the wrist. It connects the lateral margin of the radius (shorter forearm bone) with the inside border of the ulna (longer forearm bone) and with certain bones of the wrist. The retinaculum gives off branches of connective tissue to the underlying wrist bones, creating a series of sheath-like compartments Continue Scrolling To Read More Below...

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Continued From Above... through which the tendons of the extensor muscles pass to the wrist and fingers.