C5
Lateral shoulder
C6
Thumb
C7
Middle finger
C8
Ring and small fingers
T1
Ulnar forearm and hand
L3
Anterior and medial thigh
L4
Medial leg and ankle
L5
Dorsal foot & first web space
S1
Lateral and plantar foot
S2-4
Perianal sensation
Lateral shoulder
C5
Thumb
C6
Middle finger
C7
Ring and small fingers
C8
Ulnar forearm and hand
T1
Anterior and medial thigh
L3
Medial leg and ankle
L4
Dorsal foot & first web space
L5
Lateral and plantar foot
S1
Perianal sensation
S2-4