Flexor Pollicis Longus

flexor pollicis longus

MusclePro

Anatomy

Origin: Middle of anterior surface of shaft of radius, interosseous membrane, medial epicondyle of humerus, and often coronoid process of ulna.
Insertion: Palmar aspect of base of the distal phalanx of thumb.
Nerve: Anterior interosseous branch of median nerve (C8, T1).
Actions: Flexes the thumb.

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