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Nerves Flashcards

1
Q

What innervates the scalene’s?

A

Cervical Nerve C3-8

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2
Q

The motor part of the SCM is innervated by …

A

Spinal accessory nerve

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3
Q

The sensory nerve for the SCM is…

A

Cervical plexus

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4
Q

The trapezius is innervated by the..

A

Accessory nerve

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5
Q

What nerve innervates the latissimus dorsi?

A

Thoracodorsal nerve

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6
Q

What are the two nerves that innervate the Lavator Scapulae?

A

Cervical nerve (C3-C4) and the dorsal scapular nerve (C5)

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7
Q

The iliocostalis is innervated by..

A

The posterior branch of spinal nerve

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8
Q

The posterior branch of the spinal nerve innervates which muscles?

A

iliocostalis, Longissimus and spinalis.

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9
Q

The Pectoralis major is innervated by two nerves, they are?

A

Lateral pectoral nerve and medial pectoral nerve

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10
Q

The medial pectoral nerve (C8) innervates the Pectoralis major and …..

A

Pectoralis minor.

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11
Q

What is the area exclusively innervated by the median nerve?

A

Tips of the first two fingers anterior side.

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12
Q

The tip of the little finger is the exclusive nerve area of which nerve?

A

Ulnar Nerve

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13
Q

C8 dermatome is…

A

Little finger, upper back

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14
Q

What is the dermatome of C7?

A

Middle 3 fingers and back of the arms

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15
Q

The thumb and index finger dermatome is..

A

C6

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16
Q

C2 dermatome is..

A

on the occipital protuberance, around 3cm behind the ear

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17
Q

the back of the head and upper neck dermatome is..

A

C3

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18
Q

C4 dermatome is?

A

Acromioclavicular joint, lower neck and upper shoulders

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19
Q

Upper forearms and collarbones are which dermatome?

A

C5

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20
Q

T1 Dermatome is..

A

Upper chest and upper forearm

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21
Q

T2,3 & 4 dermatomes supply?

A

Upper chest and back

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22
Q

The mid chest and back are supplied by which dermatome?

A

T5, 6 & 7

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23
Q

T8 and T9 dermatome is..

A

Upper abdomen and mid back.

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24
Q

The T10 dermatome is…

A

The midline of the abdomen

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25
The lower abdomen's dermatome is....
T11 and T12
26
L1 dermatome
The groin, upper hips and lower back
27
L2 dermatome
lower back, hips and inner thighs
28
L3 dermatome
Lower back, inner thighs and inner leg below the knee
29
L4 dermatome
The backs of knees, inner section of lower leg and heels.
30
L5 dermatome
The tops of the feet and the front of the lower legs
31
S1 dermatomes
The lower back, buttocks and back of the legs and outer toes
32
S2 dermatomes
The buttocks, genitals and heels
33
S3 Dermatome.
Buttocks and genitals
34
S4 and S5 dermatome.
Buttocks
35
Reflex nerve roots of the ankle?
S1
36
Motor reflex nerve root of the patella?
L2, 3 & 4
37
Bicep and Brachioradialis motor nerve root is..
C5 & C6
38
C6 and C7 reflex motor nerve roots are...
Triceps
39
what innervates the Teres major?
Lower Subscapularis nerve (C5 & C6)
40
Axillary nerve innervates which muscle?
Teres minor
41
The upper and lower Subscapular nerve innervates the....
Subscapularis
42
Suprascapular nerve innervates which two muscles?
Supraspinatus and Infraspinatus
43
The axillary nerve innervates the Teres minor and the ....
Deltoid Muscles
44
The radial nerve can be damaged when what bone fractures?
Humerus.
45
How do we assess for radial nerve damage?
Wrist drop and reduced grip strength
46
The extensor carpi radials longus is innervated by ...
Radial Nerve
47
The deep branch of what nerve innervate the extensor carpi radials brevis?
Radial nerve
48
The extensor digitorum is innervated by the ...
posterior interosseous nerve
49
The radial nerve also innervates ...
Brachioradialis
50
The adductors are all innervated by what nerve?
Obturator nerve
51
The anterior compartment of the thigh (quadriceps and hip flexors) are innervated by what nerve?
Femoral Nerve
52
The hamstrings are innervated by which nerve?
Sciatic nerve
53
The glute max is innervated by ...
Inferior gluteal nerve
54
The superior gluteal nerve supplies which muscles?
Glute med, mini and TFL
55
The sciatic nerve is split into two branches, what are their names?
Tibial and common peroneal
56
Innervation of the tibialis Anterior?
Deep Peroneal (Fibular) Nerve
57
Tibialis posterior is innervated by ...
tibial nerve
58
Extensor hallucis longus is innervated by ...
Deep Fibular nerve
59
The extensor digitorum longus is innervated by ...
Deep fibular nerve
60
The Femoral Nerve supplies ...
Iliacus and Pectineus
61
The anterior cutaneous branch of the femoral nerve supplies?
Skin on anterior thigh and knee
62
The long cutaneous nerve branches of the femoral nerve supplies?
Skin as far as the medial side of the foot
63
The saphenous nerve supplies skin sensation to where?
Medial side of the knee, leg and foot.
64
The Obturator Nerve innervates which muscles?
The Adductor Muscles.
65
The Obturator Nerve splits into two branches called?
Posterior and Anterior.
66
The posterior branch of the Obturator nerve supplies...
Obturator Externes, Adductor Brevis and the adductor part of Adductor Magnus.
67
The anterior branch of the Obturator nerve supplies..
Adductor Longus, Gracilis, Adductor Brevis and Pectinus
68
The tibial nerve supplies which compartment of the leg?
Posterior.
69
Which muscles are innervated by the Tibial nerve?
- Gastroc - Soleus - Plantaris - Popliteus - Tibilias Posterior - Flexor Digitorum Longus - Flexor Hallucis Longus
70
The skin on the posterolateral side of the leg and lateral ankle are supplied by?
Tibial Nerve.
71
The intrinsic muscles of the foot are supplied by?
Tibial Nerve.
72
The Common Fibular Nerve supplies which compartments of the leg?
Anterior and lateral compartments.
73
Which muscles does the Common fibular nerve innervate?
- Tib Ant - Extensor digitorum longus - Extensor hallucis longus - Fibularis longus - Fibularis brevis - Extensor digitorum brevis - First two dorsal Interossei
74
The skin on the lateral leg and the dorsal aspect of the foot is supplied by the ....
Common Fibular Nerve.
75
The Sural Nerve supplies...
Joins with the rural communicating branch and supplies the skin on the lateral foot and the little toe.
76
The skin on the medial side of the heel is supplied by?
Medial Calcaneal Nerve
77
The Superficial Fibular Nerve is a branch of....
The Common Fibular Nerve
78
The Fibularis longus and Brevis are supplied by?
Superficial Fibular Nerve.
79
The Sural Communicating Nerve joins with what other nerve to supply skin sensation on the lateral foot?
Sural Nerve.
80
The lateral Sural Cutaneous Nerve innervates skin on the ...
Upper Lateral Leg.
81
The Deep Fibular Nerve also supplies?
Fibularis Tertius and Extensor Digitorum Brevis
82
The skin between the great and second toe is supplied by ...
The Deep Fibular Nerve
83
The Medial Plantar Nerve supplies ...
Abductor hallucis, flexor digitorum brevis, flexor hallucis brevis and the first lumbrical.
84
The Proper Plantar Digital Nerve is a branch of which nerve? and what does it supply?
Medial Plantar Nerve and the medial side of the great toe.
85
The Medial Plantar Nerve, divides into 3 nerves called the ...
Common Plantar Digital Nerve
86
The Flexor Digitorum Brevis, Quadratus Plantae, Adductor Hallucis and select lumbricles are innervated by which nerve?
Lateral Plantar Nerve
87
The Lateral Plantar Nerve supplies sensation to which area?
Lateral side of the sole of the foot and the lateral one and a half toes.
88
The Quadratus femoris Nerve supplies..
Quadratus Femoris and Gemellus Inferior
89
The Obturator Internus Nerve supplies the Obturator Internus and what other muscle?
Gemellus Superior
90
The skin over the gluteal fold is inverted by which nerve?
Posterior cutaneous nerve of the thigh
91
The Pudenal Nerve is the ...
Major somatic nerve to the perinum
92
The skin over the medial side of glute max is innervated by which nerve?
Perforating Cutaneous Nerve.

MSK Anatomy (5 decks)

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