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Flexor Pollicis Longus (FPL)

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Flexor Pollicis Longus (FPL):

Proximal Attachment - Anterior surface of radius and adjacent interosseous membrane

Distal Attachment - Base of distal phalanx of thumb

Innervation - Anterior interosseous nerve, from median nerve

Action - Flexes phalanges of 1st digit

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