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What is Winging of scapula is due to damage to the nerve supply of? and explain in detail?
Trapezius Iatrogenic injury of the spinal accessory nerve (usually accidental damage during minor neck surgery) is the most common cause of accessory nerve palsy. Although rare, this kind of damage can cause extensive morbidity, including numbness, paralysis, pain, and winging of the scapula. In jugular foramen syndrome, caused by pathologies including nasopharyngeal carcinoma or a glomus tumor, lesions of the glossopharyngeal, vagus and accessory nerves coexist.