C5
Related Anatomy
Muscles
Serratus anterior
Coracobrachialis
Infraspinatus
Supraspinatus
Subscapularis
Levator scapulae
Biceps brachii
Teres major
Diaphragm
Pectoralis major (clavicular head)
Brachialis
Teres minor
Deltoid
Rhomboids (major and minor)
Brachioradialis
Extensor carpi radialis (longus and brevis)