Which of the following structure passes through the triangular interval of the arm?
Radial nerve
Axillary nerve
Median nerve
Ulnar Nerve
Ans. is 'a' i.e., Radial nerve RegionBoundariesContentsUpper triangular space of armSuperior: Teres minorInferior : Teres majorLateral: Long head of tricepsCircumflex scapular arteryLower triangular space of armSuperior: Teres majorMedial: Long head of tricepsLateral; Shaft of humerusRadial nerveProfunda brachii vesselsQuadrangular space of armSuperior: Teres minor, subscapularis, joint capsuleInferior :Teres majorMedial: Long head of tricepsLateral: Surgical neck of humerusAxillary nervePosterior circumflex humeral vessels
Upper Extremity