Shrugging of shoulder following neck surgery due to injury to:-: (A) Spinal accessory nerve, (B) Thoracodorsal nerve, (C) Bell's nerve, (D) Vagus nerve
Answer is A. 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