Segmental Innervation for Neuro Screening Flashcards
1
Q
C3/4 (motor)
A
upper trapezius/shoulder shrugging
C4 = primary
2
Q
C5/6 (motor)
A
Deltoid/shoulder abduction - C5 = primary
biceps/elbow flexion
3
Q
C6/7 (motor)
A
triceps/elbow extension
4
Q
C7/8 (motor)
A
wrist flexion, FCU
5
Q
C8/T1 (motor)
A
interossei/finger abduction
6
Q
L1/2/3 (motor)
A
Iliopsoas/hip flexion
L1 and 2 = primary
7
Q
L2/3/4 (motor)
A
quadriceps/knee extension
L3/4 = primary
8
Q
L4/5 (motor)
A
tibialis anterior/repeated DF with knee relaxed or resisted DF in supine
L4 = primary
9
Q
L5 (motor)
A
EHL/great toe extension
10
Q
S1/2 (motor)
A
Gastrocnemius
11
Q
C5 (sensory)
A
deltoid region (anteriorly)
12
Q
C6 (sensory)
A
thumb
13
Q
C7 (sensory)
A
middle finger
14
Q
C8 (sensory)
A
ulnar side of forearm and hand
15
Q
T1 (sensory)
A
medial side of upper arm
