Shrugging of shoulder following neck surgery due to injury to:-
Shrugging of shoulder is because of trapezius muscle, supplied by spinal accessory nerve Radical neck dissection: - Removal of level I - V lymph nodes - Removal of spinal accessory nerve, internal jugular vein and sternocleidomastoid muscle
Spinal accessory nerve
Thoracodorsal nerve
Bell's nerve
Vagus nerve
JIPMER 2019