Dermatomes + Myotomes Flashcards
Dermatome
C3
Upper neck, back of head
Dermatome
C4
Lower neck, upper shoulders
Dermatome
C5
Across the lower shoulders, middle portion of anterior arm/forearm
Dermatome
C6
Lateral aspect of anterior and posterior of arm and forearm
Thumb
Dermatome
C7
Posterior aspect of middle of arm and forearm
Index and middle finger
Dermatome
C8
Medial aspect of arm and forearm
Ring and little finger
Dermatome
T1
Upper chest and back, armpit and anteromedial aspect of arm
Dermatome
L1
Lower back, hips and groin
Dermatome
L2
Lower back, front and inside of thigh
Dermatome
L3
Lower back, front and inside of thigh, just above knee
Dermatome
L4
Lower back, front of thigh and lower leg, area of knee, medial ankle and toe
Dermatome
L5
Lower back, front and lateral aspect of lower leg
Palmar and dorsal foot, toes 2-4
Dermatome
S1
Lower back, posterior calf, little toe
Myotomes
C4
Upper fibres of trapezius- shoulder elevation
Myotomes
C5
Deltoid- shoulder abduction