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Human Anatomy 1 > Innervation > Flashcards

Innervation Flashcards

1
Q

accessory

A

C3, C4
trapezius

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2
Q

what does the dorsal scapular nerve innervate

A

C4, C5
Rhomboid major
rhomboid minor
levator scapulae

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3
Q

Axillary nerve
-nerve roots, muscles and cutaneous

A

C5, C6
Deltoid
teres minor
cutaneous distribution: superior lateral nerve of the arm

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4
Q

suprascapular

A

C5, C6
supraspinatus
infraspinatus

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5
Q

Nerve to subclavian

A

C5, C6
subclavian muscle

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6
Q

Long thoracic neve

A

C5,C7
serrates anterior

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7
Q

Superior subscapular

A

C5-C7
subscapular

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8
Q

Inferior subscapular

A

subscapular C5-C7
teres major C6,C7

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9
Q

Thoracodorsal

A

C6-C8
latissimus dorsi

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10
Q

Lateral pectoral

A

C6-T1 (C6,C7)
pectoralis major

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11
Q

Medial pectoral

A

C6,T1 (C8-T1)
pectoralis major
pectoralis minor

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12
Q

Musculocutaneous (nerve roots, muscles, and cutaneous)

A

biceps brachii C5-C6
brachialis C5,C6
coracobrachialis C5-C7
cutaneous nerve distribution:Lateral nerve of forearm

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13
Q

Radial nerve

A

triceps brachii C6-C8
brachioradialis C5,C6
anconeous C6-C8
ECRL C7,C8
cutaneous nerve distribution: inferior lateral nerve of arm, posterior nerve of arm and posterior nerve of forearm
-superficial branch of thumb-lateral side of 3rd phalange

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14
Q

dermatomes of C5-T1

A

C5 = upper lateral region of the arm
C6 = palmar pad of them
C7 = pad of index finer
C8 = pad of little finger
T1 = skin on the medial aspect of the elbow

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15
Q

Myotomes for C5-T1

A

C5= abduction of the glenohumeral join t
C6 = flexion of the forearm at the elbow join t
C7 = extension of the forearm at the elbow joint
C8 = flexion of the fingers
T1 = abduction/adduction of index, middle, and ring figer

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16
Q

What happens to the Radial nerve forearm once it enters the forearm

A

-enters forearm anterior to lateral epicondyle of the humerus
-bifurcates:
1. superficial branch
2. deep branch

17
Q

superficial branch of the radius in the forearm

A

sensory
-travels deep to the brachioradialis and innervates the skin of the hand

18
Q

how does the Deep branch of the radius travel in the forearm and what does it innervate?

A

motor
-travel between heads of supinator
-emerges as posterior interossous
-innervates ECRB C7,C8 and supinator C6,C7

19
Q

Posterior interossesous nerve

A

emerges below supinator
innervates: C7,C8
-APL
-EPB
-EPL
-extensor indicis
-extensor digitorum
-extensor digiti minimi
-ECU

20
Q

radial muscle innervation in forearm

A

brachioradialis, ECRL, anconeous

21
Q

what are the posterior compartment nerves and what are the anterior compartment nerves of the forearm

A

-posterior: radial/Posterior interossesous nerve
anterior: median and ulnar

22
Q

Median nerve: forearm

A

Pronator teres C6,C7
FCR C6,C7
Palmaris longus C7,C8
Flexor digitorum superficialis C8,T1
Lateral ½ of flexor digitorum profundus C8,T1
Flexor pollicis longus C7,C8
Pronator quadratus C7,C8

23
Q

ulnar nerve: forearm

A

innervates:
-flexor carpi ulnaris C7-T1
-medial 1/ 2 of flexor digitorum profundus C8,T1
passes between heads of flexor capri ulnaris

24
Q

Ulnar nerve hand innervation

A

-dorsal interossei C8,T1
-palmar interossei C8,T1
-hypothenar (deep branch)
-medial/3rd and 4th lumbricals (deep branch)
-adductor pollicis C8,T1

25
Q

Median nerve hand innervation

A

-Thenar muscles recurrent branch C8,T1
-laterally/1st and 2nd lumbricals

26
Q

Deep back innervation

A

dorsal rami

27
Q

Subocciptial nerve

A

sub occipital muscles
dorsal rami of C1

28
Q

What nerves enter the gluteal region through greater sciatic foramen

A

-superior gluteal nerve
-inferior gluteal nerve
-sciatic nerve
-posterior cutaneous nerve of thigh
-nerve to quadrates femoris
-nerve to obturator internus

29
Q

Superior Gluteal nerve

A

-Gluteus Minimus L4-S1
-Gluteus Medius L4-S1
-Tensor Fascia Latte L4-S1

30
Q

Inferior Gluteal Nerve

A

Gluteus maximus L5-S2

31
Q

Nerve to obturator internus

A

Obturator internus
gemellus superior
L5-S2

32
Q

Nerve to quadratus femorus

A

Gemellus Inferior, quadratus femoris
L4-S1

33
Q

Tibial division of sciatic nerve

A

Semitendinosus
semimembraanosus
biceps femoris long head
L5-S2

34
Q

Common peroneal nerve

A

Short head of biceps femoris
L5-S2

35
Q

Cranial nerves

A
  1. Olfactory
  2. optic
  3. oculomotor
  4. trochlear
  5. trigeminal
  6. abducens
  7. facial
  8. vestibulocochlear
  9. glossalpharyngeal
    10 vagus
    11 accessory
    12 hypoglossal

Human Anatomy 1 (20 decks)

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