Explanation Quadrangular space is a passageway for the nerves and vessels between axilla anteriorly and scapular region posteriorly. It contents are axillary nerve and posterior circumflex humeral artery & Vein Quadrangular space syndrome is a condition caused by hypertrophy or fibrosis of quadrangular space muscles which impinge on axillary nerve. Patient present with weakness of shoulder movements. 4.4K viewsEneutron Info, 15:00
