<prompt> Boundaries of quadrilateral space include all except-Teres majorLong head of tricepsNeck ofhumerusDeltoid  <response>: Ans. is d i.e., DeltoidSpacesBoundariesContentsQuadrangularSuperior--Subscapularis,Capsule of shoulder joint, Teres minorAxiltaryr nervePosterior circumflex humeral vesselsInferior --Medial --Lateral --Teres majorLong head of tricepsSurgical neck of humerusUpper triangularMedial -- Teres minorLateral -- Long h ead of tricepsInferior -- Teres majorCircumflex scapular arteryLower triangularMedial -- Long head of tricepsLateral -- Medial border of humerusSuperior-- Teres majorRadial nerveProfunda brachii vessels 