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T2 - Extremities > T2- Brachial Plexus > Flashcards

T2- Brachial Plexus Flashcards

1
Q

M. innervated from dorsal Scap

A

rhomboid major
Rhomboid minor
Levator scap

(C5) - Root

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2
Q

dorsal scap N origin

A

C5 - Root

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3
Q

M. innervated by the suprascapular N

A

Supraspinatus
Infraspinatus
GH JT

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4
Q

The suprascapular N innervates what JT

A

GH JT

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5
Q

Origin of the suprascapular N

A

C4,5,6

Truck

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6
Q

M. innervated by the subclavis N

A

Subclavious

Sternoclavicular JT

(C4,5,6- Trunk)

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7
Q

The SC JT is innervated by what N ?

A

subclavis N

C4,5,6- trunk

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8
Q

Lateral Pectoralis N origin

A

Lateral chord of C5,6,7

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9
Q

What M are innervated by the lateral pectoralis N

A

Pactoralis Major

Lat. Cord- C5,6,7

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10
Q

M. innervated by the Musculocutaneous N

A

M. of the anterior compartment:
Coracobrachialis
Bicep brachii
Brachialis

Skin on the lateral part of the forearm

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11
Q

2 N off the Superior trunk

A

Subclavis

Supraspinatus

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12
Q

N off the lateral cord

A

Lateral Pectoralis

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13
Q

N off the middle trunk

A

None

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14
Q

N off the inferior trunk

A

None

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15
Q

Nerves off the posterior cord

A

upper subscapular
thoracodorsal
lower subscapular

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16
Q

M innervated by the upper subscapular N

A

(superior) subscapularis M

C5- Post trunk

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17
Q

M innervated by the Lower subscapular N

A

(inf ) subscapularis N
Teres Major

(C6-Trunk)

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18
Q

Root of the upper subscapular N

A

C5 (posterior trunk)

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19
Q

Root of the lower subscapular N

A

C6 (posterior trunk)

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20
Q

M innervated by the thoracodorsal N

A

Latissimus

(C6,7,8) posterior trunk

21
Q

What two branches come off of the posterior cord ?

A

Axillary ( C5-T1)

Radial (C5-T1)

22
Q

M. innervated by the axillary N (C5-T1)

A

GH JT
teres minor
Deltoid
Skin of superior lateral arm

23
Q

What jt does the axillary N innervate

A

GH JT

24
Q

What two nerves innervate the GH JT

A

Axillary

suprascapular

25
Q

M. innervated by the radial N

A 
M of the posterior compartment: 
Triceps ( lat, long, medial) 
Brachioradialis 
anconeus 
Extensor carpi radialis longus 
Extenor carpi radialis brevis
26
Q

Branches from the medial cord

A

medial pectoral
medial brachii cutaneous
Medial antebrachial cutaneous

27
Q

What are the nerve roots of the medial cord

A

C8,T1

28
Q

_____ cord off the anterior division of the inferior trunk

A

medial cord

29
Q

_____ cord off the posterior division of the middle trunk

A

Posterior cord

30
Q

_____ cord off the anterior division of the superior trunk

A

lateral cord

31
Q

The medial cord will give off the _____ branch

A

Ulnar

32
Q

Median N is derived from the _______ cord

A

lateral cord & medial cord

33
Q

Musculocutaneous N is derived from the _____ cord

A

lateral cord

34
Q

Roots of the musculocutaneous N

A

(C5,6)

35
Q

Roots of the axillary N

A

C5,6

36
Q

Roots of the median N

A

C5-T1

37
Q

Roots of the radial N

A

C5-T1

38
Q

Roots of the Ulnar N

A

C8,T1

39
Q

The posterior cord gives off the ______ Branches

A

axiallary & Radial Branches

40
Q

Cutaneous N of the axillary N

A

Superior lateral brachial cutaneous N (C5,6)

41
Q

Cutaneous innervation of the inferior deltoid

A

superior lateral brachial Cutaneous N

from the axillary N.

42
Q

Cutaneous N from the radial N

A

Inferior lateral brachial Cutaneous N

43
Q

Lateral brachial cutaneous N is the terminal part of the ______N

A

Musculocutaneous N

44
Q

Lateral brachial Cutaneous N gives sensory form the _____ to the _____

A

lateral epicondyle - radial portion of the wrist

45
Q

Median N is a branch of the _____ cords

A

Lateral chord

Medial Chord

46
Q

Brachial PLexus is derived from ______ Rami

A

ventral rami

47
Q

The brachial plexus leaves the CNS btw what two muscles

A

anterior and middle scalenes

48
Q

Terminal branch of the musculocutaneous N

A

lateral anti brachial cutaneous

T2 - Extremities (7 decks)

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