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ANATOMY TEST 2 > lecture 9: axilla and brachial plexus and pluxes muscles , anatomial spaces and brachium > Flashcards

lecture 9: axilla and brachial plexus and pluxes muscles , anatomial spaces and brachium Flashcards

1
Q

what are the contents of the axilla

A

brachial plexus and lymph nodes

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2
Q

Which muscle in the axilla region has the attachment that is the furthest away

A

lats

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3
Q

what is the apex of the axilla

A

armpit

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4
Q

what is the base of the axilla

A

formed by skin

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5
Q

what is the anterior wall of the axilla

A

pec minor and major

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6
Q

what is the lateral wall of the axilla

A

upper portion of humerus

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7
Q

what is the medical wall of the axilla

A

serrated anterior and rib cage

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8
Q

what is the posterior wall of the axilla wall

A

last , subscap,teres major

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9
Q

what is the brachial plexus nerve routes

A

anterior rami of c5 - t1

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10
Q

how many rami are there in the BP

A

5

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11
Q

how many trunks are there in the Bp

A

3

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12
Q

how many divisions are there in the BP

A

6

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13
Q

how many cords are there

A

3

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14
Q

how many branches are there in the BP

A

5

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15
Q

what are the 3 trunks of the BP

A

superior , middle , and inferior

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16
Q

what is the 5 main branches of the BP

A

MSC
axilliary
radial
median
ulnar

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17
Q

what are the names of the cords

A

lateral
posterior
medial

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18
Q

where does the BP travel through

A

between anterior and middle scalene

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19
Q

where do the anterior and middle scalene attach

A

1st rib

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20
Q

what is thoracic outlet syndrome

A

compression of the nerves , arteries ,or veins in the thoracic outlet region

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21
Q

where is the typical compression if someone has thoracic outlet syndrome ?

A

in the space between the clavicle and 1st rib , pec minor or cervical rib

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22
Q

if the patient has a compressed artiery what will be their symptom

A

they will say their arm feels cold

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23
Q

if the patient is experiencing compression of the nerve then their will complain of what

A

tingling in the arm

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24
Q

what is an anatomical conduit for neuromuscular structures to pass from the anterior axilla ray region to the posterior scapular region

A

quadrangular space

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25
Q

what is the superior boarder of the quadrangualr space

A

inferior margin of the teres minor

26
Q

what is the lateral boarder of the quadrangular space

A

surgical neck of the humerus

27
Q

what is the inferior boarder of the quadrangular space

A

superior margin of the teres major

28
Q

what is the medial boarder of the quadrangular space

A

lateral margin of th long head of the triceps

29
Q

what contents go thru the quadrangualr space

A

axilla ray nerve and the posterior circumflex humeral artery and vein

30
Q

posteriorly, what is the superior boarder of the triangular space

A

inferior margin of the teres minor

31
Q

what is the lateral boarder of the triangular space

A

medial margin of the long head of the triceps

32
Q

what is the inferior board of the triangular space

A

the superior margin of the teres major

33
Q

what are the contents going thru the triangular space

A

circumflex scapular artery and vein

34
Q

what is the superior boarder of the triangular internal

A

inferior margin of the teres minor

35
Q

what is the lateral boarder of the triangular interval

A

shaft of the humerus

36
Q

what is the medial boarder of the triangular interval

A

lateral margin of the long head of the triceps

37
Q

what contents pass thru the triangular interval

A

profundity brachial artery and radial never

38
Q

with a compression of th peripheral nerve will it create a dermatome or cutaneous nerve pattern

A

cutaneous nerve pattern

39
Q

what are the signs of arterial and/or never compression

A

coldness

40
Q

what does nerve root compression lead to

A

dermatome pattern

41
Q

what is the only synovisl joint articulation between the UE to the axial skelton

A

sternoclavicular joint

42
Q

what are the 3 flexors of the brachium

A

biceps brachialis
coraobrachialis
brachialis

43
Q

what is the main artery of the flexor compartment of the brachium

A

brachial artery

44
Q

what is the main blood supply of the UE

A

brachial artery

45
Q

what nerve goes straight into the coracobrachialis

A

musculocutaneous nerves

46
Q

what is it called if there is a proximal bicep rupture

A

popeyes sign ( long head of the bicep)

47
Q

is there surgery needed for distal bicep tendon rupture

A

no

48
Q

what is the motor innervation to all muscles of the anterior compartment of upper arm

A

musculocutaneous nerve

49
Q

what cord of the BP does the musculocutaneous nerve come off of

A

lateral cord

50
Q

musculocutaneous nerve turns into the

A

lateral cutaneous nerve of the forearm

51
Q

what is the sensory innervation fo the musculocutaneous nerve

A

to the skin of the lateral forearm

52
Q

what is the artery in the extensor compartment of the brachium

A

deep brachial nerve

53
Q

what is the nerve of the extensor compartment of the brachium

A

radial nerve C6-T1

54
Q

what does the deep brachial artery go thru

A

triangular interval

55
Q

what nerve supplies the entire posterior compartment

A

radial never

56
Q

where does the radial nerve divide at

A

lateral epicondyle

57
Q

what does the radial nerve divide into

A

deep and superficial branches

58
Q

the deep branch of the radial nerve is entirely

A

muscular and articulate in its distribution

59
Q

the superficial branch of the radial nerve is entirely

A

cutaneous in its distribution

60
Q

what does the superficial branch supply sensation to

A

the dorsal of the hand and fingers

61
Q

the deep radial nerve change sits names and continues distally as the

A

posterior interosseious nerve

ANATOMY TEST 2 (11 decks)

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