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 Young singer at local music theatre complains of vocal difficulties. On examination, she is unable to abduct vocal cords during quiet breathing. Which of the following muscles is most likely to be paralyzed? and explain in detail?
Posterior cricoarytenoid muscle is the only muscle that abducts vocal cords during quiet breathing. All other laryngeal muscles adduct the vocal cords.