Dermatomes/Myotomes Flashcards
1
Q
sensory nerve distribution of each nerve root or area of skin supplied y single nerve root
A
dermatome
2
Q
Which spinal nerve does NOT have a dermatome?
A
First cervical spinal nerve
3
Q
Why is loss of muscle tone and mass not as obvious w/ pressure on nerve roots vs. peripheral nerves?
A
Peripheral nerves that innervate mm is usually supplied by more than 1 nerve root
4
Q
C6 dermatome
A
thumb
5
Q
C7 dermatome
A
middle finger
6
Q
C8 dermatome
A
little finger
7
Q
T1 dermatome
A
Anteromedial forearm/arm
8
Q
T2 dermatome
A
Medial forearm and arm to the axilla
9
Q
T4 dermatome
A
nipple
10
Q
T6 dermatome
A
Xyphoid process
11
Q
T10 dermatome
A
Umbilicus
12
Q
L3 dermatome
A
Medial knee
13
Q
L4 dermatome
A
Anterior knee and medial malleolus
14
Q
L5 dermatome
A
Dorsal foot and 1st, 2nd, 3rd toes
15
Q
S1 dermatome
A
Lateral malleolus
