Accessory nerve: Revision history

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23 March 2023

16 March 2023

  • curprev 03:1903:19, 16 March 2023Oldver>Mehrdad 572 bytes +572 Created page with "=== Two components === # Spinal component of the accessory nerve provides motor control of the sternocleidomastoid and trapezius muscles. #* Trapezius muscle: Shrugging the shoulders #* Sternocleidomastoid: Turning the head. Contraction of the stenocleidomastoid fibres turns the head to the opposite side, the net effect meaning that the head is turned to the side of the brain receiving visual information from that area. # The cranial component of the accessory nerve,..."