Brachial Plexus Upper Trunk

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