Review Note

Last Update: 09/19/2024 11:53 PM

Current Deck: @Medicine::Anatomiae::Muscle::back

Published

Fields:

Muscle

trapezius

Etymology

Origin

medial third of the superior nuchal line
external occipital protuberance
ligamentum nuchae
spinous processes of vertebrae C7-T12

Insertion

lateral third of the clavicle
medial side of the acromion and the upper crest of the scapular spine
tubercle of the scapular spine

Action

elevates and depresses the scapula (depending on which part of the muscle contracts); rotates the scapula superiorly; retracts scapula

Innervation

motor: spinal accessory (XI), proprioception: C3-C4

Relations

Myotome

Kenhub

Artery

transverse cervical a.

Netter

Notes

named for its shape; trapezius is an example of a muscle that migrates during development from its level of origin (cervical) to its final position, pulling its nerve and artery along behind

Netter Description

Clinical

C. exp

Picture

Amboss

Extra Images

The Noted Anatomist

Surface Anatomy

Clinical Examination

Context

Subcontext

Latin

Symmetries & Correlates

Tags:

--::--organize::--suspended_by_tagging @medicine::/chapters::/anatomy::back::muscle

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