Brachial Plexus Upper Trunk

Origin C5, C6

Shared Innervation

Latissimus Dorsi
Pectoralis Major
Subclavius muscle
Subscapularis
Supraspinatus
Infraspinatus
Teres Minor
Teres Major
Coracobrachialis
Biceps Brachii
Brachialis
Brachioradialis
Extensor Carpi Radialis Longus
Extensor Carpi Radialis Brevis
Supinator
Nerves originating from Upper Trunk

Branches to Brachial Plexus Upper Trunk Anterior Division Brachial Plexus Upper Trunk Posterior Division