The subscapular artery is a branch of the axillary artery. It provides arterial supply to muscles and skin of the shoulder, thoracic wall and upper limb. Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Course The subscapular artery is the first and largest branch from the third part of the axillary artery, arising distal to the pectoralis minor muscle. It passes inferolaterally on the posterior wall of the axilla, following the inferior border of the subscapularis muscle. Approximately 4cm from its origin, the subscapular artery terminates by dividing into two branches – the thoracodorsal artery and circumflex scapular artery. By TeachMeSeries Ltd (2025) Fig 1Anatomical course of the subscapular artery Supply The subscapular artery supplies several muscles of the shoulder including: Deltoid Latissimus dorsi Long head of triceps brachii Subscapularis Supraspinatus Infraspinatus Serratus anterior Print Article Rate This Article