Lateral forearm
Medial arm
Medial forearm
Lateral arm
Posterior arm
Long thoracic nerve
Thoracodorsal nerve
Intercostobrachial nerve
Medial cutaneous nerve of the arm
Third intercostal nerve
C5 – C6
C5 – C7
C6 – C8
C4 – C6
C7 –T1
Lateral thoracic
Superior thoracic
Circumflex scapular
Deep artery of the arm
Dorsal scapular
Medially rotating and flexing the arm
Laterally rotating and abducting the arm
Retracting and inferiorly rotating the scapula
Medially rotating and adducting the arm
Supinating and flexing the forearm
It supplies the latissimus dorsi muscle
It supplies the teres major muscle
It anastomoses with the superior thoracic artery
It gives off the circumflex scapular artery
It supplies the serratus anterior muscle
Lateral cord of brachial plexus
Axillary artery
Posterior cord of brachial plexus
Medial pectoral nerve
Medial cord of brachial plexus
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