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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Musculocutaneous nerve supplies all of the following, EXCEPT?
assistant
The correct answer is  The musculocutaneous nerve arises from the lateral cord of the brachial plexus, opposite the lower border of the pectoralis major, its fibers being derived from C5, C6 and C7. In its course through the arm it innervates the coracobrachialis, biceps brachii, and the greater pa of the brachialis.