From which spinal nerve does the dorsoscapular nerve originate?

Prepare for the Brachial Plexus Exam with flashcards and multiple choice questions; each question includes hints and explanations. Ace your test!

Multiple Choice

From which spinal nerve does the dorsoscapular nerve originate?

Explanation:
The dorsal scapular nerve comes from the C5 ventral ramus of the brachial plexus. It travels to innervate the rhomboid major and minor (and sometimes levator scapulae), helping to retract and stabilize the scapula. While there can be occasional contributions from C4, the primary and most consistent origin is C5, making C5 the correct source.

The dorsal scapular nerve comes from the C5 ventral ramus of the brachial plexus. It travels to innervate the rhomboid major and minor (and sometimes levator scapulae), helping to retract and stabilize the scapula. While there can be occasional contributions from C4, the primary and most consistent origin is C5, making C5 the correct source.

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