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Gross Anatomy VAP 806 > Thoracic Limb > Flashcards

Thoracic Limb Flashcards

1
Q

(O) superficial pectoral - descending & transverse

A

first three sternebrae & median fibrous raphe

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2
Q

(I) superficial pectoral

A

greater tubercle crest of humerus

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3
Q

(a) superficial pectoral

A 
adduct limb (non weight bearing)
prevent abduction (weight bearing

O: first three sternebrae and median fibrous raphe
I: greater tubercle crest of humerus

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4
Q

(o) deep pectoral

A

ventral part of sternum & median fibrous raphe

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5
Q

(I) deep pectoral

A

lesser tubercle, greater tubercle via aponeurosis of humerus

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6
Q

(a) deep pectoral

A

pull trunk cranially, extend shoulder (when limb advanced/fixed)
draw limb caudally and flex shoulder (when not weight bearing)

o: ventral sternebra & median raphe
I: lesser tubercle, greater tubercle via aponeruosis

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7
Q

(o) cleidobrachialis, cleidocervicalis, cleidomastoideus

A

clavicular intersection

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8
Q

(I) cleidobrachialis

A

distal end of cranial humerus

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9
Q

(I) cleidocervicalis

A

middorsal raphe of neck

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10
Q

(i) cleidomastoideus

A

mastoid part of temporal bone

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11
Q

(a) brachiocephalicus

A

advance limb, extend shoulder, draw head and neck side to side

o: clavicular intersection
i: distal end of cranial humerus, median raphe of neck, mastoid

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12
Q

(o) omotransversarius

A

wing of atlas (not distinct)

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13
Q

(I) omotransversarius

A

acromion of scapula

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14
Q

(a) omotransversarius

A

advance limb, flex neck laterally

o: wing of atlas
I: acromion of scapula

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15
Q

(o) trapezius - cervical and thoracic

A

median fibrous raphe of neck & supraspinous ligament

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16
Q

(I) trapezius

A

spine of scapula

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17
Q

(a) trapezius

A

elevate and abduct limb

O: median raphe of neck, supraspinatus ligament
I: spine of scapula

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18
Q

(o) rhomboideus - capitis, cervicis, thoracis

A

base of skull (nuchal crest of occipital bone)
median fibrous raphe of neck
spinous process of thoracic vertebrae

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19
Q

(I) rhomboideus

A

dorsal border of scapula

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20
Q

(a) rhomboideus

A

elevate limb
draw scapula against trunk

o: median raphe of neck, nuchal crest of occipital bone, spinous process of vertebrae
I: dorsal border of scapula

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21
Q

(o) latissimus dorsi

A

thoracolumbar fascia & last few ribs

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22
Q

(I) latissimus dorsi

A

teres major tuberosity (humerus) via teres major tendon

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23
Q

(a) latissimus dorsi

A

draw limb caudally, flex shoulder (DIG!)

o: thoracolumbar fascia & last few ribs
I: teres major tuberosity of humerus

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24
Q

(o) serratus ventralis - cervicis and thoracic

A

ribs & transverse process of cervical vertebrae

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25
Q

(I) serratus ventralis

A

serrated face of scapula

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26
Q

(a) serratus ventralis

A

support trunk, depress scapula

o: ribs, transverse process of cervical vertebrae
I: serrated face of scapula

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27
Q

(o) deltoideus - scapular & acromial

A

spine & acromion of scapula

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28
Q

(I) deltoideus

A

deltoid tuberosity of humerus

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29
Q

(a) deltoideus

A

flex shoulder - nike swoosh

(o) spine and acromion of scapula
(I) deltoid tuberosity of humerus

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30
Q

(o) infraspinatus

A

infraspinous fossa

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31
Q

(I) infraspinatus

A

greater tubercle (lateral side)

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32
Q

(a) infraspinatus

A

WB: prevents medial rotation
no WB: laterally stabilizes shoulder, abduct & laterally rotate shoulder, assists other muscles in extension and flexion

(o) infraspinous fossa
(I) greater tubercle

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33
Q

(o) teres minor

A

infraglenoid tubercle and distal caudal border of scapula

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34
Q

(I) teres minor

A

teres minor tuberosity

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35
Q

(a) teres minor

A

WB: prevents medial rotation
no WB: laterally stabilizes shoulder, lateral rotation of shoulder, assist flex shoulder muscles

o: infraglenoid tubercle and distal caudal border of scapula
I: teres minor tuberosity

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36
Q

(o) supraspinatus

A

supraspinous fossa

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37
Q

(I) supraspinatus

A

greater tubercle of humerus

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38
Q

(a) supraspinatus

A

WB: prevents medial rotation
no WB: laterally stabilizes shoulder and extends shoulder

o: supraspinous fossa
I: greater tubercle of humerus

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39
Q

(o) subscapularis

A

subscapular fossa of scapula

40
Q

(I) subscapularis

A

lesser tubercle

41
Q

(a) subscapularis

A

WB: prevents medial rotation
no WB: laterally stabilizes shoulder, extend shoulder

o: subscapular fossa
I: lesser tubercle of humerus

42
Q

(o) teres major

A

caudal angle & caudal border of scapula

subscapularis muscle

43
Q

(I) teres major

A

teres major tuberosity

44
Q

(a) teres major

A

flex shoulder
rotate limb medially

o: caudal angle/border of scapula & suscapularis muscle
I: teres major tuberosity

45
Q

(o) coracobrachialis

A

coracoid process of scapula

46
Q

(I) coracobrachialis

A

crest of lesser tubercle of humerus

47
Q

(a) coracobrachialis

A

shoulder stabilizer
assist muscles in adduction/extension of shoulder

o: coracoid process of scapula
I: crest of lesser tubercle

48
Q

(o) tensor fasciae antebrachii

A

fascia covering the lateral surface of the latissimus dorsi muscle

49
Q

(I) tensor fasciae antebrachii

A

olecranon of ulna, in common with tendon of insertion f triceps brachii muscle

50
Q

(a) tensor fasciae antebrachii

A

extend elbow

o: fascia covering lateral surface of latissimus dorsi
I: olecranon of ulna, common with tendon of insertion for triceps brachii muscle

51
Q

(o) biceps brachii - long, lateral, medial, accessory

A

caudal border of scapula
tricipital line
lesser tubercle of humerus

52
Q

(I) biceps brachii

A

olecranon

53
Q

(a) biceps brachii

A

flex shoulder and extend elbow

o: for first, caudal border of scapula, others, tricipital line and lesser tubercle
I: olecranon of ulna

54
Q

(o) anconeus

A

lateral supracondylar crest of humerus

lateral and medial epicondyles of humerus

55
Q

(I) anconeus

A

proximal and lateral aspect of ulna

56
Q

(a) anconeus

A

extend elbow

(o) lateral supracondylar crest of humerus, lateral/proximal epicondyle of humerus
(I) proximal and lateral aspect of ulna

57
Q

(o) biceps brachii

A

supraglenoid tubercle (scapula)

58
Q

(I) biceps brachii

A

radial & ulnar tuberosities

59
Q

(a) biceps brachii

A

extend shoulder
flex elbow

o: supraglenoid tubercle (scapula)
I: radial & ulnar tuberosities

60
Q

(o) brachialis

A

brachialis groove (humerus)

61
Q

(I) brachialis

A

radial & ulnar tuberosities

62
Q

(a) brachialis

A

flex elbow

o: brachialis groove (humerus)
I: radial & ulnar tuberosity

63
Q

(o) extensor carpi radialis

A

lateral supracondylar crest of humerus

64
Q

(I) extensor carpi radialis

A

metacarpal tuberosities (2 & 3)

65
Q

(a) extensor carpi radialis

A

extend carpus

o: lateral supracondylar humerus
I: metacarpal tuberosities (2 & 3)

66
Q

(o) common digital extensor

A

lateral epicondyle of humerus

67
Q

(I) common digital extensor

A

extensor processes of distal phalanx of 2, 3, 4, and 5 digits

68
Q

(a) common digital extensor

A

extend joints of 2, 3, 4 and 5

o: lateral epicondyle of humerus
I: extensor processes of distal phalanx of 2, 3, 4 and 5 digits

69
Q

(o) lateral digital extensor

A

lateral epicondyle (humerus)

70
Q

(I) lateral digital extensor

A

extensor process of distal phalynx digits 3, 4 & 5

proximal ends of digits 3, 4 & 5

71
Q

(a) lateral digital extensor

A

extend joints of digits 3, 4 & 5

o: lateral epicondyle (humerus)
I: extensor process and proximal process of digits 3, 4 and 5

72
Q

(o) ulnaris lateralis

A

lateral epicondyle (humerus)

73
Q

(I) ulnaris lateralis

A

lateral aspect of base 5

accessory carpal bone

74
Q

(a) ulnaris lateralis

A

abduct carpus
flex carpus

o: lateral epicondyle (humerus)
I: lateral aspect of base digit 5, accessory carpal bone

75
Q

(o) supinator

A

lateral epicondyle (humerus)

76
Q

(I) supinator

A

cranial aspect of proximal radius

77
Q

(a) supinator

A

supination
(rotate antebrachium laterally so palmar surface of paw faces medially)

o: lateral epicondyle (humerus)
I: cranial aspect of proximal radius

78
Q

(o) pronator teres

A

medial epicondyle (humerus)

79
Q

(I) pronator teres

A

medial border of radius

80
Q

(a) pronator teres

A

pronation
(rotate antebrachium medially so palmar surface of paw faces ground)

o: medial epicondyle (humerus)
I: medial border of radius

81
Q

(o) abductor pollicis longus

A

distal ulna

adjacent interosseus membrane

82
Q

(I) abductor pollicis longus

A

proximal end of metacarpal 1

83
Q

(a) abductor pollicis longus

A

abduct digit 1

o: distal ulna, adjacent interosseus membrane
I: proximal end of metacarpal 1

84
Q

(o) flexor carpi radialis

A 
medial epicondyle (humerus)
medial border of radius
85
Q

(I) flexor carpi radialis

A

palmar surface of proximal aspect of metacarpal 2 & 3

86
Q

(a) flexor carpi radialis

A

flex carpus

o: medial epicondyle (humerus), medial aspect of radius
I: palmar surface of proximal aspect of metacarpal 2 & 3

87
Q

(o) superficial digital flexor

A

medial epicondyle (humerus)

88
Q

(I) superficial digital flexor

A

palmar surface of proximal aspect of middle phalanges of digits 2, 3, 4 and 5

89
Q

(a) superficial digital flexor

A

flex carpus
flex digits 2-5

o: medial epicondyle (humerus)
I: palmar surface proximal aspect middle phalanges of 2-5

90
Q

(o) flexor carpi ulnaris

A 
medial epicondyle (humerus)
olecranon (caudal & medial aspect)
91
Q

(I) flexor carpi ulnaris

A

accessory carpal bone

92
Q

(a) flexor carpi ulnaris

A

flex carpus

o: medial epicondyle (humerus), olecranon
I: accessory carpal bone

93
Q

(o) deep digital flexor

A

medial epicondyle (humerus, ulna and radius)

94
Q

(I) deep digital flexor

A

flexor tubercle of distal phalanx of each digit

95
Q

(a) deep digital flexor

A

flex carpus
flex digit

o: medial epicondyle (humerus, ulna, radius)
I: flexor tubercle of distal phalanx of each digit

96
Q

(a) pronator quadratus

A

pronate the antebrachium

spans interosseus space between radius and ulna bones

97
Q

interossei

A

four singular muscles, fleshy same shape and size
deep to deep digital flexor & cover palmar surfaces of four main metacarpal bones
tendon of each muscledivides and each tendon encompasses a sesamoid bone

Gross Anatomy VAP 806 (4 decks)

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