Nerves Flashcards
1
Q
Sternocleidomastoid
A
C2
2
Q
Trapezius
A
C3 and c4
3
Q
Levator Scapula
A
C3-C5
4
Q
Anterior Scalene
A
C4
5
Q
Middle Scalene
A
C3-C4
6
Q
Diaphragm
A
C3-C5, phrenic nerve
7
Q
Axillary nerve spinal cord segment
A
C5, C6
8
Q
Musculocutaneous nerve spinal cord
A
C5-7
9
Q
Radial nerve spinal cord segment
A
C5-8, T1
10
Q
Medial nerve spinal cord segment
A
C6-8, T1
11
Q
Ulnar nerve spinal cord segment
A
C8, T1
12
Q
Femoral nerve spinal cord segment
A
L2-4
13
Q
Obturator nerve spinal cord segment
A
L2-4
14
Q
Sciatic nerve spinal cord segment
A
L4-5, S1-3
15
Q
Tibial nerve spinal cord segment
A
L4-5, S1-3
16
Q
Common fibular (peroneal) nerve spinal cord segment
A
L4-5, S1-2
17
Q
elbow flexors
A
C5, C6
18
Q
shoulder abductors and elbow flexors
A
C5
19
Q
wrist extensors
A
C6-8
20
Q
Triceps
A
C7-8
21
Q
Intrinsic muscles of hand
A
C8-T1
22
Q
Hip flexors and knee extensors
A
L2-4
23
Q
Hip adductors
A
L2-4
24
Q
Hip abductors
A
L4-5
25
Hip extensors and knee flexors
L5-S2
26
ankle muscles
L4-S2
27
bladder and bowel control
S4-5
28
Both upper extremities, chest level with axillar
T3
29
Muscle innervation: Deltoid, teres minor; shoulder abductors and ER
Axillary nerve
30
Sensory distribution: Lateral arm over lower portion of deltoid
Axillary nerve
31
Clinical motor: Loss of shoulder abduction; weakened shoulder lateral rotation
Axillary Nerve
32
Muscle innervation: elbow flexors; coracobrachialis, biceps, and brachialis
Musculocutaneous nerve
33
Sensory Distribution: anterior lateral surface of forearm
Musculocutaneous nerve
34
Clinical motor: loss of elbow flexion; weakened supination
Musculocutaneous nerve
35
Muscle innervation: Triceps; anconeus; brachioradialis; supinator; wrist, finger, and thumb extensors and abductors
radial nerve
36
Sensory Distribution: posterior arm, posterior forearm, and radial side of posterior hand
Radial nerve
37
Clinical motor: Loss of elbow, wrist, finger, and thumb extension; wrist drop
Radial nerve
38
Muscle innervation: prontators; wrist and finger flexors on radial side; most thumb muscles; 1st and 2nd lumbricals
Medial nerve
39
Sensory Distribution: palmar aspect of thumb; second, third, fourth (radial half) fingers
medial nerve
40
Clinical motor: Loss of forearm pronation; loss of thumb opposition, flexion, adduction (ape hand); weakened wrist flexors (radial side), weakened wrist radial deviation; weakened second and third finger flexion (pope's blessing)
medial nerve
41
Muscle innervation: wrist and finger flexors on ulnar sidel most hand intrinsic; flexor carpi ulnaris; flexor digitorum profundus (medial side); interossei; 3rd and 4th lumbricals; muscles of 5th finger
ulnar nerve
42
Sensory distribution: 4th finger of medial portion, 5th finger
ulnar nerve
43
Clinical motor: loss of ulnar deviation; weakened wrist and finger flexion; loss of thumb adduction; lost of most intrinsic "claw hand"
ulnar nerve
44
Muscle innervation: hip flexors and knee extensors; iliopsoas (iliacus and psoas); sartorius; pectineus, quadriceps, femoris
femoral nerve
45
Sensory distribution: anterior and medial thigh, medial leg and foot
femoral nerve
46
Clinical motor: weakened hip flexion, loss of knee extension
femoral nerve
47
muscle innervation: hip adductors and some hip ER; obturator externus
obturator nerve
48
sensory distribution: middle part of medial thigh
obturator nerve
49
clinical motor: loss of hip adduction, weakened hip lateral rotation
obturator nerve
50
Muscle innervation: knee flexion and some hip extension; hamstring muscles; adductor magnus
sciatic nerve
51
sensory distribution: none
sciatic nerve
52
clinical motor: weakened hip extension; loss of knee flexion
sciatic nerve
53
Muscle innervation: popliteus; ankle plantar flexors (gastrocnemius and soleus); foot intrinsic (tibialis posterior); flexor digitorum longus; flexor hallucis longus foot intrinsics (medial and lateral plantar)
tibial nerve
54
Sensory distribution: posterior lateral leg, lateral foot
tibial nerve
55
Clinical motor: loss of ankle plantar flexion; weakened ankle inversion; loss of toe flexion
tibial nerve
56
muscle innervation: ankle dorsiflexors; ankle evertors; toe extensors (deep fibular); fibularis longus and brevis (superficial fibular); tibialis anterior (deep fibular)
common fibular nerve
57
sensory distribution: anterior lateral aspect of leg and foot
common fibular nerve
58
Clinical motor: loss of dorsiflexion "foot drop"; loss of toe extension, loss of ankle eversion
common fibular nerve
59
divides into superficial and deep fibular nerves
common fibular nerve
60
made up tibial and common fibular nerve
sciatic nerve
61
divides into medial and lateral plantar nerves
tibial nerve
