Where Is Cranial Nerve 11

The accessory nerve emerges from the medulla of the brainstem, and is visible at the bottom of the image in blue. The accessory nerve is a cranial nerve that supplies the sternocleidomastoid

How do you check cranial nerve 11?

11th Cranial nerve The 11th (spinal accessory) cranial nerve is evaluated by testing the muscles it supplies: For the sternocleidomastoid, the patient is asked to turn the head against resistance supplied by the examiner’s hand while the examiner palpates the active muscle (opposite the turned head).

Is cranial nerve 11 motor or sensory?

Cranial nerves I, II, and VIII are pure sensory nerves. Cranial nerves III, IV, VI, XI, and XII are pure motor nerves. Cranial nerves V, VII, IX, and X are mixed sensory and motor nerves. The olfactory nerve (CN I) contains special sensory neurons concerned with smell.