Blood supply of chest and shoulder muscles

Pectoralis Major

Thoracoacromial artery (pectoral branch), lateral thoracic artery

Pectoralis Minor

Thoracoacromial artery (pectoral branch), lateral thoracic artery

Serratus anterior

Lateral thoracic artery

UPPER Trapezius (descending)

Transverse cervical artery

MIDDLE Trapezius (transverse)

Transverse cervical artery

LOWER Trapezius (ascending)

Transverse cervical artery

Latissimus dorsi

Thoracodorsal artery (branch of axillary artery

Levator Scapulae

Dorsal scapular artery

Rhomboid major

Dorsal scapular artery

Rhomboid minor

Dorsal scapular artery

ANTERIOR Deltoid (clavicular)

Anterior humeral circumflex and thoracoacromial (deltoid branch)

MIDDLE Deltoid (acromial)

posterior humeral circumflex

POSTERIOR Deltoid (spinal)

Posterior humeral circumflex

Teres MAJOR

Subscapular and posterior humeral circumflex

Supraspinatus

suprascapular artery

Infraspinatus

suprascapular artery

Teres MINOR

Circumflex scapular and posterior humeral circumflex arteries

Subscapularis

Subscapular artery