What nerve innervates the trapezius muscle?

Innervation. The trapezius muscle is the only muscles of the upper limb that does not receive its innervation from the brachial plexus. The nerve conveying motor innervation to trapezius is the spinal accessory nerve, which is the 11th cranial nerve.Click to see full answer. Just so, what nerve controls the trapezius muscle? accessory nerve Beside…

Innervation. The trapezius muscle is the only muscles of the upper limb that does not receive its innervation from the brachial plexus. The nerve conveying motor innervation to trapezius is the spinal accessory nerve, which is the 11th cranial nerve.Click to see full answer. Just so, what nerve controls the trapezius muscle? accessory nerve Beside above, what is the trapezius muscle responsible for? The trapezius muscle is a postural and active movement muscle, used to tilt and turn the head and neck, shrug, steady the shoulders, and twist the arms. The trapezius elevates, depresses, rotates, and retracts the scapula, or shoulder blade. Innervation of the trapezius is derived from the spinal accessory nerve. One may also ask, what artery supplies the trapezius? It was found that there are two main patterns of vascular supply to the trapezius, and that the muscle is principally supplied by three vascular sources: the transverse cervical artery, the dorsal scapular artery, and the posterior intercostal arterial branches.What type of nerve is the accessory nerve?The accessory nerve is the eleventh paired cranial nerve. It has a purely somatic motor function, innervating the sternocleidomastoid and trapezius muscles.

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