Anatomy Flashcards
1
Q
In anterior cervical spine surgery, the sympathetic chain is most at risk with retraction of what muscle?
A
Injury to the sympathetic trunk most often occurs with over-retraction or transsection of the longus colli muscle. It is vulnerable at more caudal levels
2
Q
C5 mucle(s)
A
deltoid, biceps
3
Q
C5 sensory dermatome
A
superior shoulder and lateral upper arm
4
Q
C5 reflex
A
biceps
5
Q
C6 muscle(s)
A
brachioradialis and wrist extensors
6
Q
C6 sensory dermatome
A
thumb and radial arm
7
Q
C6 reflex
A
brachioradialis
8
Q
C7 sensory dermatome
A
long finger
9
Q
C7 muscle(s)
A
wrist flexors; triceps
10
Q
C7 reflex
A
triceps
11
Q
C8 dermatome sensory
A
paresthesias in ring and small
12
Q
C8 muscle(s)
A
finger flexion/distal phalanx flexion (fine motor movement involving hand)
13
Q
T1 sensory dermatome
A
axillary numbness
14
Q
T1 muscle(s)
A
interossei
