Abductor Pollicis Longus

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abductor pollicis longus primary action

abduct and extend the carpometacarpal joint of the thumb

abductor pollicis longus secondary actions: wrist, forearm

abduct and extend the wrist, supinate the forearm from a pronated position

abductor pollicis longus origin

posterior aspect of the radius and midshaft of the ulna

abductor pollicis longus insertion

posterior base of the first metacarpal

abductor pollicis longus innervation

radial nerve c6,c7


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