Dermatomes and Myotomes Flashcards
1
Q
How many pairs of nerves exit off spinal cord?
A
31 pairs
2
Q
True or False. Spinal nerves are ipsilateral?
A
True
3
Q
Posterior/dorsal root carries what kind of information? Where?
A
sensory/afferent
into CNS, ascends from cord to reach cortex
4
Q
Ventral/anterior root carries what kind of information? Where?
A
motor/efferent
Out of CNS, descends from the cortex to the cord
5
Q
Ventral/dorsal roots come together to form what in the intervertebral foramen?
A
spinal nerves
6
Q
Cervical
A
C1-C8
7
Q
Thoracic
A
T1-T12
8
Q
Lumbar
A
L1-L5
9
Q
Sacral
A
S1-S5
10
Q
Coccygeal
A
C0
11
Q
C5
A
D: Skin over deltoid
M: deltoid
12
Q
C6
A
D: ant. skin of thumb
M: biceps
13
Q
C7
A
D: Ant skin dig. 2 & 3
M: triceps
14
Q
C8
A
D: digs. 4 & 5
M: finger flexion
Double fist
15
Q
T1
A
D: ant./med. elbow
M: finger abduction
