Flexor Pollicis Longus


Origin: Volar surface of the Radius, the adjacent interosseous membrane and the medial border of the coronoid process of the Ulna

Insertion: Palmar base of the thumb Thumb Distal Phalanx

Function: Flexes the thumb Interphalangeal Joint (primary) and Metacarpophalangeal Joint (weak)

Nerve: Anterior Interosseous branch of Median Nerve

Artery: Anterior Interosseous artery

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