The scapular anastomosis is a system connecting certain subclavian artery and their corresponding axillary artery, forming a circulatory anastomosis around the scapula. It allows blood to flow past the joint in case of occlusion, damage, or pinching of the following scapular arteries:Transverse cervical artery Dorsal scapular artery Suprascapular artery Branches of subscapular artery Branches of thoracic aorta