You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is In Post radical neck dissection shoulder syndrome, all are seen except: and explain in detail?
Ans. is 'd' i.e. Normal electromyographic finding In Radical neck dissections the most crippling complication is the "Shoulder Syndrome" arising from denervation and atrophy of the trapezius muscle due to sacrifice of the spinal accessory nerve (SAN).Shoulder syndrome is characterized by:inability to abduct the shoulder beyond 90 degrees cephaladlong standing pain in the shoulderdeformity of the shoulder girdle drooping of the shoulder and shoulder abduction, and external rotation