Flexor carpi ulnaris

Flexor Carpi Ulnaris

The Flexor Carpi Ulnaris (pronounced: FLEK-sor KAR-pee ul-NAR-is) is one of the muscles of the human forearm that flexes and adducts the wrist.

Etymology

The term 'Flexor Carpi Ulnaris' is derived from Latin, where 'Flexor' means 'bender', 'Carpi' refers to the 'wrist', and 'Ulnaris' pertains to the 'ulna', the bone on the pinky-finger side of the forearm.

Anatomy

The Flexor Carpi Ulnaris is located on the medial side of the forearm. It originates from the humerus and the ulna, and inserts into the pisiform bone, hamate bone, and the base of the fifth metacarpal bone.

Function

The primary function of the Flexor Carpi Ulnaris is to flex and adduct the wrist. It is also involved in the stabilization of the wrist during movements of the hand and fingers.

Related Terms

• Flexor muscles: A group of muscles that decrease the angle between two bones at a joint.
• Ulna: One of the two long bones in the forearm.
• Wrist: The complex joint between the forearm and the hand.
• Humerus: The long bone in the upper arm or forelimb that runs from the shoulder to the elbow.
• Pisiform bone: A small knobbly, sesamoid bone that is found in the wrist.
• Hamate bone: A bone in the human wrist readily distinguishable by its wedge shape and a hook-like process.
• Fifth metacarpal bone: The metacarpal bone in the hand that aligns with the little finger.

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