Palmaris brevis muscle
|Palmaris brevis muscle|
|The muscles of the left hand. Palmar surface. (Palmaris brevis visible at center left.)|
|Latin||musculus palmaris brevis|
|Gray's||subject #126 463|
|Origin:||flexor retinaculum (medial), palmar aponeurosis|
|Nerve:||superficial branch of ulnar nerve|
|Action:||wrinkle skin of palm|
The Palmaris brevis is a thin, quadrilateral muscle, placed beneath the integument of the ulnar side of the hand.
The muscle is innervated by the superficial branch of the ulnar nerve , containing fibers from the eighth cervical and first thoracic nerves.
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.