Upper Limb Myotomes and Dermatomes

Question 1

Which nerve roots supply the upper limb

Answer 1

C4-T2

Question 2

Dermatomes of the upper limb

Answer 2

C4 - shoulder
C5 - lat upper arm
C6 - lat forearm + thumb
C7 - 3 middle fingers
C8 - little finger

T1 - medial forearm
T2 - axilla

Question 3

Shoulder abd/add
Elbow FE
Wrist FE
Finger EFAbd
APB

Answer 3

Shoulder abd/add - C5/678
Elbow FE - C5/7
Wrist FE - C6/7
Flexion EFA - C7/8/T1
ABP - T1