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MSK Anatomy > Axilla/arm > Flashcards

Axilla/arm Flashcards

1
Q

Axilla anterior wall

A

pec majorpec minor

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2
Q

axilla medial wall

A

ribs, serratus anterior

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3
Q

axilla posterior wall

A

Teres major, latissimus dorsi, subscapularis

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4
Q

Pec major N

A

lateral and medial pectoral nerves

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5
Q

Pec major fxn

A

flexion of arm, adduction and medial rotation

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6
Q

pec minor N

A

lateral and medial pectoral nerves

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7
Q

pec minor fxn

A

protraction of scapula

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8
Q

Serratus anterior N

A

long thoracic N

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9
Q

serratus anterior fxn

A

protraction of scapula
keeps medial border and inferior angle of scapula opposed to thoracic wall
“Raise arms above the head”

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10
Q

Branch of brachial plexus root

A

Long thoracic nerve (C5 6 7)

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11
Q

Musculocutaneous components

A

C5 6 7

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12
Q

Median nerve components

A

C5 to T1union of lateral and medial cords

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13
Q

Ulnar nerve components

A

C7 8 T1

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14
Q

Brachial plexus components

A

ventral rami of C5 to C8, greater part of anterior raus of T1

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15
Q

Axillary nerve components

A

C5 6

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16
Q

Axillary nerve supply

A

deltoid
teres minor
skin overlying the deltoid muscle

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17
Q

Radial nerve components

A

C5 to T1

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18
Q

C5 movement

A

shoulder abduction (deltoid, axillary)

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19
Q

C6 movement

A

wrist extension

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20
Q

C7 movement

A

wrist fleixion

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21
Q

C8 movement

A

finger flexion

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22
Q

T1 movement

A

finger abduction

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23
Q

C5 reflex

A

biceps

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24
Q

C6 reflex

A

brachioradialis

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25
C7 reflex
triceps
26
bursa related to the shoulder joint
subscapular bursa subacromial bursa subdeltoid bursa
27
Rotator cuff muscles
subscapulari ssupraspinatus infraspinatus teres minor
28
Supraspinatus OI
supraspinous fossa to greater tubercle
29
infraspinatus OI
infraspinous fossa to greater tuberclw
30
teres minor OI
scapula to greater tubercle
31
subscapularis OI
subscapular fossa to lesser tubercle
32
teres major OI
scapula to humerus
33
supraspinatus N
brachial plexus
34
infraspinatus N
brachial plexus
35
teres minor N
brachial plexus
36
subscapularis N
brachial plexus
37
teres major N
brachial plexus
38
deltoid OI
clavical, acromion, spine of scapla to deltoid tuberosity of humerus
39
deltoid N
axillary
40
supraspinatus fxn
abduction
41
infraspinatus fxn
lateral rotation
42
teres minor fxn
lateral rotation
43
subscapularis fxn
medial rotation
44
teres major fxn
medial rotation
45
deltoid fxn
abduction of arm (main abductor)
46
arm flexor N
musculocutaneous
47
arm extensor N
radial
48
coracobrachialis fxn
flexion of arm
49
brachialis fxn
flexion of forearm
50
corachobrachialis N
musculocutaneous
51
brachialis N
musculocutaneous
52
biceps OI
long head: supraglenoid tubercle of scapula short head: coracoid process of scapula inserts into radial tuberosity
53
biceps N
musculocutaneous
54
biceps fxn
flexion of arm flexion of forearm supination of forearm
55
Quadrangular space bounds
teres minor, teres major, long head ot triceps, surgical neck of the humerus
56
quadrangular space contents
axillary nerve | posterior circumflex humeral artery
57
Triangular space bounds
teres minor teres major long head of triceps
58
triangular space contents
circumflex scapular vessels
59
triangular interval bounds
teres major long head of triceps shaftof the humerus
60
triangular interval contents
profunda brachiradial nerve
61
Triceps brachi OI
long head: infraglenoid tubercle of scapula Lateral, medial heads: humerus inserts into olecranon process
62
Triceps N
radial
63
Triceps function
elbow extension
64
Cubital fossa bounds
brachioradialis pronator teres imaginary line joining the two epicondyles of the humerus
65
cubital fossa contents
superficial - median cubital vein (IV site) brachial artery median nerve radial nerve

MSK Anatomy (4 decks)

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