Spinal Nerve Roots (Lecture #15) Flashcards Preview

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Flashcards in Spinal Nerve Roots (Lecture #15) Deck (36):
1

where can the dorsal root ganglion be found? (landmark)

intervertebral foramen

2

dorsal root

first order sensory axons entering the spinal cord from a specific dermatome

3

ventral root

LMN axons leaving the spinal cord to go to that spinal cord level's myotome

4

"nerve root" usually referes to

mixed spinal nerve

5

dermatome of back of head

C2

6

dermatome of nipples

T4

7

dermatome of umbilicus

T10

8

dermatome of "saddle area"

S3,4,5

9

dermatome of thumb

C6

10

dermatome of middle finger

C7

11

dermatome of little finger

C8

12

dermatome of medial calf

L4

13

dermatome of lateral calf and big toe

L5

14

dermatome of little toe and sole of foot

S1

15

what space is the cauda equina found in

subarachnoid space

16

radiculopathy

sensory or motor dysfunction caused by injury to a nerve cell

17

muscle associated with C5 nerve root

deltoid (C5,6)

18

reflex associated with C5 nerve root

biceps (C5,6)
brachioradialis (C5,6)

19

dermatome associated with C5 nerve root

lateral upper arm over deltoid

20

muscle associated with C6 nerve root

biceps (C5,6)
wrist extensors (C5,6,7,8)

21

reflex associated with C6 nerve root

biceps (C5,6)
brachioradialis (C5,6)

22

dermatome associated with C6 nerve root

thumb/lateral arm

23

muscle associated with C7 nerve root

triceps (C6,7,8)

24

reflex associated with C7 nerve root

triceps (C6,7,8)

25

dermatome associated with C7 nerve root

middle finger and middle of hand

26

muscle associated with L4 nerve root

quads (L2,3,4)

27

reflex associated with L4 nerve root

patellar (L4)

28

dermatome associated with L4 nerve root

medial leg below knee

29

muscle associated with L5 nerve root

tibialis anterior (L4,5)

30

reflex associated with L5 nerve root

none

31

dermatome associated with L5 nerve root

lateral leg below the knee; usually includes big toe

32

muscle associated with S1 nerve root

gastroc/soleus (S1,2)

33

reflex associated with S1 nerve root

achilles (S1)

34

dermatome associated with S1 nerve root

lateral aspect of foot, little toe, sole of foot

35

what nerve roots are affected in cauda equina syndrome

L2 and below

36

what spinal level can you find conus medularis

L1