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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.
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Posterior cord supplies
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The correct answer is  The axillary nerve from the posterior cord supplies teres minor and deltoid muscle. Coracobrachialis is supplied by a musculocutaneous nerve from the lateral cord. Pectoralis minor is supplied by medial pectoral nerve arising from the medial cord and lateral pectoral nerves arising from lateral cord. The long head of biceps brachii is supplied by a musculocutaneous nerve from the lateral cord. BD Chaurasia 7th edition Page no: 57