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Superior auricular muscle

Muscle that draws the auricle of the outer ear upwards

Field	Value
Name	Superior auricular muscle
Latin	musculus auricularis superior
Image	Sobo 1909 260 - Superior auricular muscle.png
Caption	Face and neck muscles. Superior auricular muscle shown in red.
Image2	Gray906 - Superior auricular muscle2.png
Caption2	The muscles of the auricula. Superior auricular is at top (indicated by the red arrow).
Origin	Temporal fascia
Insertion	Above the auricle of the outer ear
Blood	Posterior auricular artery
Nerve	Branches to auricular muscle from posterior auricular nerve of facial nerve (cranial nerve VII)
Action	Pulls ear upward

The superior auricular muscle is a muscle above the auricle of the outer ear. It originates from the epicranial aponeurosis, and inserts into the upper part of the medial surface of the auricle. It draws the auricle upwards.

Structure

The superior auricular muscle originates from the epicranial aponeurosis. Its fibres converge to be inserted by a thin, flattened tendon into the upper part of the medial surface of the auricle of the outer ear.

It is the largest of the three auriculares muscles. It is thin and fan-shaped.

Nerve supply

The superior auricular muscle is supplied by the temporal branch of the facial nerve (VII).

Function

Research on electromyographic signals in humans suggests the superior auricular muscle has a vestigial role linked to attempts to separate different sound sources.

Additional images

File:Auricularis superior.png|Auricula in context. Superior auricular shown in red.

References

(2009). "Manual therapy for the cranial nerves". [[Churchill Livingstone]] / [[Elsevier]].
Rea, Paul. (2016). "Essential clinically applied anatomy of the peripheral nervous system in the head and neck". [[Elsevier Science]].
(2025). "Electromyographic correlates of effortful listening in the vestigial auriculomotor system". Frontiers in Neuroscience.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

muscles-of-the-head-and-neck

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