Abductor Pollicis Brevis: Difference between revisions
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=== Insertion === | === Insertion === | ||
The muscle has a short [[Tendon Anatomy|tendon]] which attaches to the radial side of the base of the proximal phalanx of the thumb. | |||
=== Nerve === | === Nerve === | ||
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=== Artery === | === Artery === | ||
Princeps pollicis artery. | |||
== Function == | == Function == | ||
It | It acts to abduct the carpometacarpal joint of the thumb. | ||
== Clinical relevance == | == Clinical relevance == | ||
Revision as of 09:03, 20 September 2020
Original Editor - User Name
Top Contributors - Anneta Adamou, Saumya Srivastava, Chrysolite Jyothi Kommu and Kim Jackson
Description[edit | edit source]
Abductor pollicis brevis muscle is the most lateral and superficial of the three muscles forming the thenar emirence.
Origin[edit | edit source]
It takes its origin from the front of transverse carpal ligament, extending into the tubercles of scaphoid and trapezium with an occasional contribution from the tendon of abductor pollicis longus.
Insertion[edit | edit source]
The muscle has a short tendon which attaches to the radial side of the base of the proximal phalanx of the thumb.
Nerve[edit | edit source]
Median nerve C8, T1.
Artery[edit | edit source]
Princeps pollicis artery.
Function[edit | edit source]
It acts to abduct the carpometacarpal joint of the thumb.
