The root value of axillary nerve is
axillary nerve also known as circumflex nerve - The axillary nerve is a branch of the posterior cord of the brachial plexus and the root value is C5 , C6. Axillary or circumflex nerve is an impoant nerve because it supplies the deltoid muscle which is the main abductor of the arm. Ref : B D Chaurasia's Human Anatomy , Seventh edition, volume 1 , pg. no, 75.
C5, C6
C7, C8
C8, T1
C5, T1
Upper limb