Disc Lesion Chart Flashcards
(106 cards)
1
Q
The disc between L3 and L4 vertebra is the _______ disc
A
L3
2
Q
______________ is when the nerve root is compressed
A
radiculopathy
3
Q
What nerve root is affected with a C4 disc lesion?
A
C5
4
Q
What are the peripheral nerves for C5 nerve root?
A
axillary and musculocutaneous
5
Q
What are the muscles involved with C5 nerve root?
A
deltoid and biceps
6
Q
What nerve innervates the deltoid?
A
axillary n.
7
Q
What nerve innervates the biceps?
A
musculocutaneous n.
8
Q
What muscle is responsible for shoulder abduction?
A
deltoid
9
Q
What muscle is responsible for elbow flexion (shoulder flexion, wrist supinated)?
A
biceps
10
Q
What is the DTR for C5 nerve root?
A
biceps reflex
11
Q
What is the dermatome/sensory portion of C5 nerve root?
A
lateral upper arm to elbow
12
Q
What nerve root is compressed with a C5 disc lesion?
A
C6
13
Q
What peripheral nerve is associated with C6 nerve root?
A
radial n.
14
Q
What nerve innervates brachioradialis?
A
radial n.
15
Q
What nerve innervates externsor carpi radialis longus and brevis?
A
radial n.
16
Q
What muscle is responsible for elbow flexion when wrist is neutral?
A
brachioradialis
17
Q
What muscle is responsible for wrist extension?
A
extensor carpi radialis longus and brevis
18
Q
What is the DTR associated with C6 nerve root?
A
brachioradialis
19
Q
What is the dermatome/sensory portion of the C6 nerve root?
A
lateral forearm-> 6 shooter
20
Q
What nerve root is compressed with a C4/C5 disc lesion?
A
C5/C6
21
Q
What nerve innervates brachialis?
A
musculocutaneous n.
22
Q
What muscle is responsible for elbow flexion when wrist is pronated?
A
brachialis
23
Q
What nerve root is compressed with a C6 disc lesion?
A
C7
24
Q
What muscles are involved with a C6 disc lesion?
A
1) triceps
2) flexor carpi radialis
3) extensor digitorum
25
What nerve innervates triceps?
radial
26
What nerve innervates flexor carpi radialis?
median
27
Which muscle is responsible for elbow extension?
triceps
28
Which muscle is responsible for wrist flexion?
flexor carpi radialis
29
Which muscle is responsible for finger extension?
extensor digitorum
30
What is the DTR for C7 nerve root?
triceps
31
What is the dermatome/sensory portion for a C7 nerve root?
chiro index finger and palm
32
What peripheral nerve is associated with a C6 disc lesion?
radial and median
33
What nerve root is compressed with a C7 disc lesion?
C8
34
What peripheral nerve is associated with a C7 disc lesion?
median and ulnar
35
What nerves innervate flex digitorums and lumbricals?
median and ulnar
36
Which muscle is responsible for finger flexion?
flex digitorums and lumbricals
37
What is the dermatome/sensory portion for C8 nerve root?
ring finger, pinkie finger, medial forearm
38
Flexor digitorum profundus (DIP) is innervated by the _________ nerve for pinky and ring finger and the ________ nerve (anterior interosseous branch) for the middle and index fingers
ulnar, median
39
Flexor digitorum superficialis (PIP) is innervated by the _________ nerve for all 4 fingers
median
40
Lumbricals (MCP) are innervated by the _________ nerve for the pinky and ring finger and the ___________ nerve for the index and middle finger
ulnar, median
41
What nerve root is compressed with a T1 disc lesion?
T1
42
What peripheral nerve is associated with a T1 disc lesion?
ulnar nerve
43
What muscles are involved in a T1 disc lesion?
palmar and dorsal interossei
44
What muscle is responsible for finger abduction?
dorsal interossei
45
What muscle is responsible for finger adduction?
palmer interossei
46
What is the dermatome/sensory portion for T1 nerve root?
med elbow
47
What nerve root is compressed with a L3 disc lesion?
L4
48
What nerves are involved with L3 disc lesion?
femoral and deep peroneal fibular nerve
49
What muscles are involved with L3 disc lesion?
quads and anterior tibialis
50
What nerve innervates the quads?
femoral nerve
51
What nerve innervates anterior tibialis?
deep peroneal fibular nerve
52
What muscle is responsible for knee extension?
quads
53
What muscle is responsible for foot inversion with dorsiflexion?
anterior tibialis
54
What is the DTR for L4 nerve root?
patella
55
What is the dermatome/sensory portion for L4 nerve root?
anterior medial leg, medial edge of foot, and bottom of foot
56
What nerve root is compressed with an L4 disc lesion?
L5
57
What is the sign for L4 disc lesion?
difficulty walking on heels
58
What is the sign for L5 disc lesion?
difficulty walking on toes
59
What nerves are involved with L4 disc lesion?
deep peroneal fibular and tibial nerve
60
What nerve innervates extensor hallucis longus and anterior tibialis?
deep peroneal fibular nerve
61
What nerve innervates posterior tibialis?
tibial nerve
62
What muscles are involved with an L4 disc lesion?
extensor hallucis longus, anterior tibialis, and posterior tibialis
63
What muscle is responsible for foot dorsiflexion with great toe dorsiflexed?
extensor hallucis longus and anterior tibialis
64
What muscle is responsible for foot plantar flexion with inversion?
posterior tibialis
65
What is the DTR for an L5 nerve root?
medial hamstring
66
What is the dermatome/sensory portion for L5 nerve root?
anterior lateral leg and top of foot
67
What nerve root is compressed with an L5 disc lesion?
S1
68
What nerves are involved with an L5 disc lesion?
tibial and superficial peroneal fibular nerve
69
What nerve innervates gas and soleus?
tibial nerve
70
What nerve innervates peroneus fibularis longus and brevis?
superficial peroneal fibular nerve
71
What muscles are involved with an L5 disc lesion?
gas, soleus, and peroneus fibularis longus and brevis
72
What muscle is responsible for foot plantar flexion?
gas and soleus
73
What muscle is responsible for plantar flexion with eversion?
peroneus fibularis longus and brevis
74
What is the DTR for S1 nerve root?
achilles
75
What is the dermatome/sensory portion for S1 nerve root?
posterior lateral leg, lateral edge of foot
76
What nerve root is compressed with an S1 disc lesion?
S2
77
What is the dermatome/sensory portion for S2 nerve root?
posterior medial leg
78
What does a 5 indicate on van allyn motor function grading scale?
-normal
-complete ROM against gravity
79
What does a 4 indicate on van allyn motor function grading scale?
-good
-complete ROM against some resistance
80
What does a 3 indicate on van allyn motor function grading scale?
-fair
-complete ROM against gravity only
81
What does a 2 indicate on van allyn motor function grading scale?
-poor
-complete ROM, gravity eliminated
82
What does a 1 indicate on van allyn motor function grading scale?
-trace
-slight muscular contractibility
-no active joint movement
-muscle must be palpated while testing strength
83
What does a 0 indicate on van allyn motor function grading scale?
-absent
-no evidence of contractibility
-no active joint movement
-muscle must be palpated while testing strength
84
What are the muscles of the rotator cuff?
supraspinatus, infraspinatus, teres minor, subscapularis
85
What is the origin for supraspinatus?
supraspinatus fossa on scapula
86
What is the insertion for supraspinatus?
superior and middle facet of the greater tuberosity
87
What is the function of supraspinatus?
abducts arm
88
What nerve innervates supraspinatus?
suprascapular nerve
89
What is the origin of infraspinatus?
infraspinatus fossa on scapula
90
What is the insertion of infraspinatus?
posterior facet of the greater tuberosity
91
What is the function of infraspinatus?
externally rotate arm
92
What nerve innervates infraspinatus?
suprascapular nerve
93
What is the origin of teres minor?
middle half of lateral border of scapula
94
What is the insertion of teres minor?
inferior facet of the greater tuberosity
95
What is the function of teres minor?
externally rotate arm
96
What nerve innervates teres minor?
axillary nerve
97
What is the origin of subscapularis?
subscapular fossa on the scapula
98
What is the insertion of subscapularis?
lesser tuberosity or humeral neck
99
What is the function of subscapularis?
internally rotate humerus
100
What nerve innervates subscapularis?
upper and lower subscapular nerve
101
What does a 5 mean on wexler's reflex grading scale?
clonic/pathological
-muscle responds with sustained repetition
-clonus= uncontrolled spasmodic muscle jerking with alternation of contractions and relaxation
-UMNL
102
What does a 4 mean on wexler's reflex grading scale?
hyperreflexia
-muscle responds repeatedly in transient fashion
-transient clonus= shorter duration than clonic activity
-UMNL
103
What does a 3 mean on wexler's reflex grading scale?
hyperactive/high normal reflexes
-may be normal or indicate cerebellar disease
104
What does a 2 mean on wexler's reflex grading scale?
normal
-muscles respond once in a sluggish or brisk fashion
105
What does a 1 mean on wexler's reflex grading scale?
trace reflex
-muscle fibers contract, no joint motion (few muscle fibers responding)
-LMNL
106
What does a 0 mean on wexler's reflex grading scale?
absent reflex
-muscle fibers do not contract
-LMNL
