Wrist Muscles

Wrist - Flexor Muscle

DEFINITION – What does Wrist – Flexor mean?

The forearm has three layers of anterior muscles, namely the superficial, deep, and intermediate flexors, subdivided based on their relative depth. All three sets are buried within the flexor compartment, and within the former category, the flexor carpi ulnaris arises. Originating at the humerus’ medial epicondyle, the flexor carpi radialis lies alongside flexor digitorum superficialis, connecting to the base of the second metacarpal. From their origin, each of the flexors move distally along the forearm front, inserting on the phalanges and on the carpal and metacarpal surfaces.

FUNCTION – Wrist – Flexor Muscle

As a group, the main purpose of these flexors is wrist flexion, and to some degree, other minor movements of the fingers and wrist. The Flexor Carpi Radialis and Flexor Carpi Ulnaris also abduct the wrist, while the Flexor Digitorum Superficialis flex each of the little, ring, middle and index fingers.

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