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Mnemonic

Accessory Nerve Palsy Sign

Mnemonic for the clinical signs of an accessory nerve palsy.

Anatomy Head and Neck
Expansion

Shoulder droops, can't shrug or turn the head away from the injured side

Expansion

  • Trapezius weakness - shoulder droop, weak shrug
  • Sternocleidomastoid weakness - reduced power turning the head to the opposite side