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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
All of the following forms the boundaries of the lower triangular space of arm, EXCEPT:
assistant
The correct answer is  Boundaries of lower triangular space of arm are: medially it is bounded by long head of triceps, laterally by medial border of humerus and superiorly by teres major. Radial nerve and profunda brachii vessels are the contents of the lower triangular space. Ref: Human anatomy by B.D Chaurasia, 4th Edition, Vol 1 Page 81