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image: Flexor Pollicis Longus
Flexor Pollicis Longus

Flexor Pollicis Longus

 Articulations :

 Action :

  • Flexes phalanges of 1st digit (thumb).

Origin :

  • Anterior surface of radius and adjacent interosseous membrane.

Insertion :

  • Base of distal phalanx of thumb.

Innervation :

  • Anterior interosseous nerve from median nerve (C8 and T1).

Arterial Supply :

  • Anterior interosseous artery.

Depth :

  • Superficial
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