intermuscular spaces 5 marker 😃😃
# QUADRANGULAR SPACE Boundaries - Superior - inferor border of teres major Inferior- superior border of teres major Medial- lateral border of long head of triceps brachii muscle Lateral- surgical neck of humerus Content - 1) axillary nerve 2) posterior circumflex humeral vessels # UPPER TRIANGULAR SPACE Boundaries - Medial - teres major Inferior- teres major Lateral - long head of triceps brachii muscle Content - Circumflex scapular artery # Lower triangular space Boundaries - Medial- long head of triceps brachii muscle Lateral- medial border of humerus Superior- teres major Content - 1) radial nerve 2) profunda brachii vessels Diagram