Task: Question Answering
Input (English): A 22-year-old male marathon runner presents to the office with the complaint of right-sided rib pain when he runs long distances. Physical examination reveals normal heart and lung findings and an exhalation dysfunction at ribs 4-5 on the right. Which of the following muscles or muscle groups will be most useful in correcting this dysfunction utilizing a direct method?
(A)anterior scalene (B)latissimus dorsi (C)pectoralis minor (D)quadratus lumborum
Output (English): C