Dorsal scapular nerve

Last revised by Assoc Prof Craig Hacking on 27 Jul 2022

The dorsal scapular nerve is a branch from the C5 root of the brachial plexus and supplies the rhomboid muscles.

Gross anatomy

Origin

Posterior aspect of the C5 root of the brachial plexus.

Course

It courses through scalenus medius then accompanies the dorsal scapular vessels inferiorly, deep to levator scapulae where it lies on serratus posterior superior

Supply

It supplies both rhomboids on their deep surfaces and may also supply levator scapulae via a separate branch.

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Cases and figures

  • Figure 1: dorsal scapular nerve
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  • Figure 2: brachial plexus
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