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Anatomy > Brachial Plexus > Flashcards

Brachial Plexus Flashcards

1
Q

Brachial plexus nerves

A

Ventral rami of c5- t1

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2
Q

Brachial plexus organization

Roots

A

Ventral rami of c5-t1

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3
Q

Brachial plexus organization

Trunks

A

Upper
Middle
Lower

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4
Q

Brachial plexus organization

Division

A

Anterior

Posterior

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5
Q

Brachial plexus organization

Cords

A

Laterial
Medial
Posterior

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6
Q

Brachial plexus organization

Nerves/ branches

A 
A I’ll art
Musculocutaneous
Median
Ulnar
Radial
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7
Q

Dermatome development

A

Pre axial to post axial

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8
Q

Myotome development

A

Limb proximal to distal

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9
Q

Muscle strength and movement

Abduction of shoulder

A

C5

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10
Q

Muscle strength and movement

Extension of wrist

A

C6

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11
Q

Muscle strength and movement

Flexion of wrist

A

C7

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12
Q

Muscle strength and movement

Extension of fingers

A

C7

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13
Q

Muscle strength and movement

Flexion of fingers

A

C8

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14
Q

Muscle strength and movement

Abduction/ adduction of fingers

A

T1

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15
Q

Reflex testing

C5

A

Biceps reflex

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16
Q

Reflex testing

C6

A

Brachioradialis reflex

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17
Q

Reflex testing

C7

A

Triceps

18
Q

Peripheral nerves

A

Each peripheral nerve has multiple nerve root inputs and may contribute to multiple. Dermatomes and myotomes

19
Q

Axiallry nerve

A

C5-c6

20
Q

Axillary nerve

Muscular branches

A

Teres minor

Deltoid

21
Q

Axillary nerve

Sensory branch

A

Superior lateral cutaneous n

22
Q

Musculocutaneous nerve

A

C5-7

23
Q

Musculocutaneous nerve

Muscular branches

A

Coracobrachialis
Biceps
Brachialis

24
Q

Musculocutaneous nerve

Sensory branch

A

Lateral cutaneous nerve of forearm

25
Q

Median nerve

A

C6-t1

26
Q

Median nerve

Muscular branches

A

Forearm: anterior compartment of forearm except flexor carpi ulnaris and 1/2 flexor digitorum profundus
HandL then at muscles except adductor policies

27
Q

Median nerve

Sensory branches

A

1st 7 proper palmar digital nerves

28
Q

Ulnar nerve

A

C8 - t1

29
Q

Ulnar nerve

Muscular branches

A

Forearm: flexor carpi ulnaris and 1/2 flexor digitorum profundus
Hand: intrinsic muscles of the hand except 3 the air muscle and 1st 2 lumbar I also

30
Q

Ulnar nerve

Sensory branches

A

Common and proper palmar and dorsal digits. Meat of hand

31
Q

Radial nerve

A

C5-c8

32
Q

Radial nerve

Muscular branches

A

Arm: Posterior compartment muscles
Forearm: posterior compartment muscles
Hand: none!

33
Q

Radial nerve

Sensory branches

A

Inferior lateral brachial cutaneous nerve
Posterior cutaneous nerve of forearm
Dorsal digitalis for first 2 1/2 digits

34
Q

Supraclavicular nerves

A

Dorsal scapular nerve
Suprascapular nerve
Subclavian nerve
Long thoracic nerve

35
Q

Dorsal scapular nerve innervation

A

Legatos scapulae and rhomboids

36
Q

Suprascapular nerve innervates

A

Supraspinatus and infraspinatus teres minor

37
Q

Subclavian nerve innervates

A

Subclavious only one that is outside the muscle it innervates

38
Q

Long thoracic nerve innervates

A

Serratus anterior

39
Q

Upper subscapular nerve inneverates

A

Subscapularis

40
Q

Lower subscapular nerve innervates

A

Subscapularis and teres major

41
Q

Thoracodorsal nerve innervates

A

Latissimus dorsi

Anatomy (12 decks)

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