Levator Scapulae

 

Original Editor - Wendy Walker

Lead Editors - SULEIMAN USMAN, Eric Henderson, Kim Jackson, Lucinda hampton, Admin, Wendy Walker, WikiSysop, Joao Costa, Evan Thomas, Oyemi Sillo and Tarina van der Stockt  

Description

Levator scapulae connects the upper limb to the vertebral column and lies in the posterior triangle of the neck

Its superior aspect is covered by Sternocleidomastoid, and its inferior part by Trapezius

 

Origin

C1 to 4

Posterior tubercle of ransverse process of Cervical Vertebrae 1 to 4

Insertion

Scapula

Vertebral margin of the scapula, between the superior angle and the root of the spine

Nerve Supply

C3 to 5

Cervical nerve (C3, C4)  and dorsal scapular nerve (C5)

Blood Supply

Descending scapular artery

Action

Elevation and rotation of the scapula

Function

Elevation of the scapula, and rotation of it inferior angle medially, in movements such as elevation of the upper limb

If the scapula is fixed, it helps produce cervical side flexion

Recent Related Research (from Pubmed)

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References

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