Dermatomes Flashcards
1
Q
C1
A
ONLY A MOTOR NERVE
2
Q
L1
A
anterior hip + groin
(several nerves)
3
Q
L2
A
mid anterior thigh
(lateral femoral cutaneous nerve)
4
Q
L3
A
patella + medial knee
(anterior and medial femoral cutaneous nerves)
5
Q
L4
A
medial leg + malleolus
(saphenous nerve)
6
Q
L5
A
fibular head, dorsal foot, and 1st/2nd web space
(common fibular nerve, superficial fibular nerve, and deep fibular nerve)
7
Q
S1
A
lateral foot, sole, and posterolateral lower extremity
(sural nerve, lateral plantar nerve, and posterior femoral cutaneous + tibial nerves
8
Q
S2-S4
A
peri-anal region (only if caudal equina syndrome is indicated)
9
Q
L4 + L5 overlap
A
big toe
10
Q
S1 + S2 overlap
A
posterior thigh