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Updated: Dec 28 2021

Abductor Pollicis Longus

Images
https://upload.orthobullets.com/topic/10036/images/abductor-pollicis-longus.jpg
  • Summary
      • Abductor Pollicis Longus
      • Origin
      • Posterior surfaces of ulna, radius and interosseous membrane
      • Insertion
      • Base of 1st metacarpal
      • Action
      • Abducts thumb and extends it at carpometacarpal joint
      • Innervation
      • Posterior interosseous nerve (C7, C8)
      • Arterial Supply
      • Posterior interosseous artery
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