sternocleidomastoid

Musculus sternocleidomastoideus

Muscular

3D model: sternocleidomastoid
sternocleidomastoid
3D models: BodyParts3D, © The Database Center for Life Science licensed under CC Attribution 4.0 International

In 4 atlases

Definition

paired muscle of the neck that traverses the neck between the manubrium sterni and the mastoid process

Source: Wikidata · Licence: CC0-1.0

Description from Wikidata (https://www.wikidata.org/), available under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/).

Relations

Insertion
mastoid process, superior nuchal line
Action
flexion of the neck, flexion of the head, lateral flexion of the neck, lateral flexion of the head and neck, rotation of the head, rotation of the neck
Innervation
Anterior ramus of sixth cervical nerve, spinal part of the accessory nerve, Anterior ramus of third cervical nerve, spinal accessory nerve
Arterial supply
sternocleidomastoid branches of occipital artery, inferior thyroid artery, sternocleidomastoid branch of superior thyroid artery
Venous drainage
sternocleidomastoid vein

Sub-structures

Neighbouring structures

Practice questions

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Wikipedia (English)

Identifiers

TA2
2156
TA98
A04.2.01.008
FMA
13407
UBERON
0001128
Wikidata
Q272830