This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb bones and muscles (proximal region) & Scapular movements, Subject name: Anatomy
[{'content': 'A 27-year-old patient presents with an inability to draw the scapula forward and downward because of paralysis of the pectoralis minor. Which of the following would most likely be a cause of his condition? \nSelect and explain. \nA. Fracture of the clavicle, B. Injury to the posterior cord of the brachial plexus, C. Fracture of the coracoid process, D. Axillary nerve injury', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Pectoralis minor is paralyzed because it is inseed on coracoid process of scapula. Origin: Second to the fifth ribs Inseion: Coracoid process Innervation - Medial pectoral nerves Action - Depresses the shoulder and forms the anterior wall of the axilla Pectoralis minor has no attachment on the clavicle.', 'role': 'assistant'}]