Abductor Pollicis Longus
Original Editor - name here
Top Contributors - Vidhu Sindwani, Kim Jackson, Chrysolite Jyothi Kommu, Chelsea Mclene and Priya Gulla
Description[edit | edit source]
The Abductor pollicis longus (APL) is one of a deep extensor of the forearm and is responsible for facilitating movement and stabilization of the thumb. It's tendon is present in the first extensor compartment of the wrist.
Origin[edit | edit source]
The APL originates from the posterior surface of Ulna, the middle third of the posterior surface of Radius and the radio-ulnar interosseous membrane.
Insertion[edit | edit source]
It inserts into the base of first Metacarpal. Accessory tendons of APL are also found to insert into the base of trapezium and thenar structures.
Nerve
[edit | edit source]
It is supplied by the Posterior Interosseous nerve (C7-C8) which is a continuation of the deep branch of Radial nerve.
Artery
[edit | edit source]
Posterior interosseous artery
Function
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Clinical relevance[edit | edit source]
Assessment[edit | edit source]
Treatment[edit | edit source]
Resources[edit | edit source]
See also[edit | edit source]
Recent Related Research (from Pubmed)[edit | edit source]
References[edit | edit source]
