Myotomes & Dermatomes Flashcards
1
Q
what is myotome
A
A group of muscles innervated by a single spinal nerve
2
Q
C4 myotome
A
shoulder shrugs
3
Q
C5 myotome
A
shoulder abduction and external rotation; elbow flexion
4
Q
C6 myotome
A
wrist extension
5
Q
C7 myotome
A
elbow extension and wrist flexion
6
Q
C8 myotome
A
thumb extension and finger flexion
7
Q
T1 myotome
A
finger abduction
8
Q
L2 myotome
A
hip flexion
9
Q
L3 myotome
A
knee extension
10
Q
L4 myotome
A
ankle dorsiflexion
11
Q
L5 myotome
A
great toe extension
12
Q
S1 myotome
A
ankle plantarflexion
13
Q
S4 myotome
A
bladder and rectum motor supply
14
Q
how do you test nerve irritation
A
straight leg test, see if they complain of pain shooting up leg
15
Q
what is a dermatome
A
an area of skin supplied by a single spinal nerve
36
Q
what is dermatome diagram
A
