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Flashcards in Neuroanatomy Deck (34):
1

What are the muscular innervations of the Dorsal Scapular nerve

Rhomboids
Levator Scapulae

2

What are the muscular innervations of the Long thoracic nerve

Serratus Anterior

3

What are the muscular innervations of Nerve to Subclavius

Subclavius

4

What are the muscular innervations of the Suprascapular nerve

Infraspinatus
Supraspinatus

5

What are the muscular innervations of the Lateral pectoral nerve

Pectoralis Major (clavicular head)

6

What are the muscular innervations of the Musculocutaneous nerve

Biceps Brachii
Coracobrachialis
Brachialis

7

What are the muscular innervations of the Lateral Median nerve

Flexor muscles of forearm (not flexor carpi ulnaris tho)

8

What are the muscular innervations of the Medial Pectoral nerve

Pectoralis Major
Pectoralis Minor

9

What are the muscular innervations of the Ulnar nerve

Flexor Carpi Ulnaris
Flexor Digitorum Profundus (pinky and ring finger)
Small muscles of the hand

10

What are the muscular innervations of the Medial Median nerve

Flexor muscles of the forearm (except flexor carpi ulnaris)
Flexor Digitorum Profundus (pointer and middle finger)

11

What are the muscular innervations of the Upper Scapular nerve.

Subscapularis

12

What are the muscular innervations of the Throacodorsal nerve

Latissimus Dorsi

13

What are the muscular innervations of the Lower Scapular nerve

Subscapularis
Teres Major

14

What are the muscular innervations of the Axillary nerve

Deltoid
Teres Minor

15

What are the muscular innervations of the Radial nerve

Brachioradialis
Triceps
Supinator
Wrist extensors
anconeus

16

C3 myotomes

Trapezius
Splenius Capitis

17

C4 myotomes

Trapezius Levator Scapulae

18

C5 myotomes

Supraspinatus
Infraspinatus
Deltoid
Biceps

19

C6 myotomes

Biceps
Supinator
Wrist Extensors

20

C7 myotomes

Triceps
Wrist Flexors

21

C8 myotomes

Ulnar deviators
Thumb extensors
Thumb adductors

22

Reflexes for C5

Biceps or Brachioradialis

23

Reflexes for C6

Biceps or Brachioradialis

24

Reflexes for C7

Triceps

25

Reflexes for C4

Levator Scap

26

What does the Fasciculus Cuneatus do?

It is an ascending tract that collects sensory information from trunk neck and UE (proprioception, vibration, 2-pt discrimination, and graphesthesisa)

27

What does the Fasciculus gracilis do?

It is an ascending tract that collects sensory information from from trunk and LE (proprioception, vibration, 2-pt discrimination, and graphesthesisa)

28

What does the Spinocerebellar tract do? (dorsal and Ventral)

This is a sensory tract that ascends to the cerebellum for subconscious proprioception, muscle tension, joint sense and posture (dorsal= LE ; ventral =UE)

29

What does the Anterior spinothalamic tract do?

sensory tract for light touch and pressure

30

What does the Lateral spinothalamic tract do?

sensory tract for pain and temperature

31

What does the Anterior Corticospinal tract do?

it is a pyramidal motor tract responsible for ipsilateral voluntary discrete skilled movements

32

What does the Lateral Corticospinal tract do?

it is a pyramidal motor tract responsible for contralateral voluntary fine movements.

33

What happens if the pyramidal tracts are injured?

positive babinski sign, absent superficial abdominal reflex and cremasteric reflex, loss of fine motor and or skilled movements

34

What does the Tectospinal tract do?

it is an extrapyramidal tract that is responsible foe for contralateral postural muscle tone associated with auditory and visual stimuli