Dermatomes of Upper Limb and
Segmental Nerve Function Anatomy
Note: Schematic demarcation of
dermatomes (modified from Keegan and Garrett) shown as distinct segments. There
is considerable overlap between adjacent dermatomes.
Abduction C8–T1, Adduction C5, 6 Flexion
C7, 8 Extension C7–T1 Flexion C7–T1 Flexion C8–T1 Flexion C8–T1 Opposition C7–T1
Reposition C6–8 Pronation C5–7 Supination Flexion Extension C7, 8 Extension.
