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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
(I) serratus ventralis
serrated face of scapula
26
(a) serratus ventralis
support trunk, depress scapula o: ribs, transverse process of cervical vertebrae I: serrated face of scapula
27
(o) deltoideus - scapular & acromial
spine & acromion of scapula
28
(I) deltoideus
deltoid tuberosity of humerus
29
(a) deltoideus
flex shoulder - nike swoosh (o) spine and acromion of scapula (I) deltoid tuberosity of humerus
30
(o) infraspinatus
infraspinous fossa
31
(I) infraspinatus
greater tubercle (lateral side)
32
(a) infraspinatus
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
33
(o) teres minor
infraglenoid tubercle and distal caudal border of scapula
34
(I) teres minor
teres minor tuberosity
35
(a) teres minor
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
36
(o) supraspinatus
supraspinous fossa
37
(I) supraspinatus
greater tubercle of humerus
38
(a) supraspinatus
WB: prevents medial rotation no WB: laterally stabilizes shoulder and extends shoulder o: supraspinous fossa I: greater tubercle of humerus
39
(o) subscapularis
subscapular fossa of scapula
40
(I) subscapularis
lesser tubercle
41
(a) subscapularis
WB: prevents medial rotation no WB: laterally stabilizes shoulder, extend shoulder o: subscapular fossa I: lesser tubercle of humerus
42
(o) teres major
caudal angle & caudal border of scapula | subscapularis muscle
43
(I) teres major
teres major tuberosity
44
(a) teres major
flex shoulder rotate limb medially o: caudal angle/border of scapula & suscapularis muscle I: teres major tuberosity
45
(o) coracobrachialis
coracoid process of scapula
46
(I) coracobrachialis
crest of lesser tubercle of humerus
47
(a) coracobrachialis
shoulder stabilizer assist muscles in adduction/extension of shoulder o: coracoid process of scapula I: crest of lesser tubercle
48
(o) tensor fasciae antebrachii
fascia covering the lateral surface of the latissimus dorsi muscle
49
(I) tensor fasciae antebrachii
olecranon of ulna, in common with tendon of insertion f triceps brachii muscle
50
(a) tensor fasciae antebrachii
extend elbow o: fascia covering lateral surface of latissimus dorsi I: olecranon of ulna, common with tendon of insertion for triceps brachii muscle
51
(o) biceps brachii - long, lateral, medial, accessory
caudal border of scapula tricipital line lesser tubercle of humerus
52
(I) biceps brachii
olecranon
53
(a) biceps brachii
flex shoulder and extend elbow o: for first, caudal border of scapula, others, tricipital line and lesser tubercle I: olecranon of ulna
54
(o) anconeus
lateral supracondylar crest of humerus | lateral and medial epicondyles of humerus
55
(I) anconeus
proximal and lateral aspect of ulna
56
(a) anconeus
extend elbow (o) lateral supracondylar crest of humerus, lateral/proximal epicondyle of humerus (I) proximal and lateral aspect of ulna
57
(o) biceps brachii
supraglenoid tubercle (scapula)
58
(I) biceps brachii
radial & ulnar tuberosities
59
(a) biceps brachii
extend shoulder flex elbow o: supraglenoid tubercle (scapula) I: radial & ulnar tuberosities
60
(o) brachialis
brachialis groove (humerus)
61
(I) brachialis
radial & ulnar tuberosities
62
(a) brachialis
flex elbow o: brachialis groove (humerus) I: radial & ulnar tuberosity
63
(o) extensor carpi radialis
lateral supracondylar crest of humerus
64
(I) extensor carpi radialis
metacarpal tuberosities (2 & 3)
65
(a) extensor carpi radialis
extend carpus o: lateral supracondylar humerus I: metacarpal tuberosities (2 & 3)
66
(o) common digital extensor
lateral epicondyle of humerus
67
(I) common digital extensor
extensor processes of distal phalanx of 2, 3, 4, and 5 digits
68
(a) common digital extensor
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
(o) lateral digital extensor
lateral epicondyle (humerus)
70
(I) lateral digital extensor
extensor process of distal phalynx digits 3, 4 & 5 | proximal ends of digits 3, 4 & 5
71
(a) lateral digital extensor
extend joints of digits 3, 4 & 5 o: lateral epicondyle (humerus) I: extensor process and proximal process of digits 3, 4 and 5
72
(o) ulnaris lateralis
lateral epicondyle (humerus)
73
(I) ulnaris lateralis
lateral aspect of base 5 | accessory carpal bone
74
(a) ulnaris lateralis
abduct carpus flex carpus o: lateral epicondyle (humerus) I: lateral aspect of base digit 5, accessory carpal bone
75
(o) supinator
lateral epicondyle (humerus)
76
(I) supinator
cranial aspect of proximal radius
77
(a) supinator
supination (rotate antebrachium laterally so palmar surface of paw faces medially) o: lateral epicondyle (humerus) I: cranial aspect of proximal radius
78
(o) pronator teres
medial epicondyle (humerus)
79
(I) pronator teres
medial border of radius
80
(a) pronator teres
pronation (rotate antebrachium medially so palmar surface of paw faces ground) o: medial epicondyle (humerus) I: medial border of radius
81
(o) abductor pollicis longus
distal ulna | adjacent interosseus membrane
82
(I) abductor pollicis longus
proximal end of metacarpal 1
83
(a) abductor pollicis longus
abduct digit 1 o: distal ulna, adjacent interosseus membrane I: proximal end of metacarpal 1
84
(o) flexor carpi radialis
``` medial epicondyle (humerus) medial border of radius ```
85
(I) flexor carpi radialis
palmar surface of proximal aspect of metacarpal 2 & 3
86
(a) flexor carpi radialis
flex carpus o: medial epicondyle (humerus), medial aspect of radius I: palmar surface of proximal aspect of metacarpal 2 & 3
87
(o) superficial digital flexor
medial epicondyle (humerus)
88
(I) superficial digital flexor
palmar surface of proximal aspect of middle phalanges of digits 2, 3, 4 and 5
89
(a) superficial digital flexor
flex carpus flex digits 2-5 o: medial epicondyle (humerus) I: palmar surface proximal aspect middle phalanges of 2-5
90
(o) flexor carpi ulnaris
``` medial epicondyle (humerus) olecranon (caudal & medial aspect) ```
91
(I) flexor carpi ulnaris
accessory carpal bone
92
(a) flexor carpi ulnaris
flex carpus o: medial epicondyle (humerus), olecranon I: accessory carpal bone
93
(o) deep digital flexor
medial epicondyle (humerus, ulna and radius)
94
(I) deep digital flexor
flexor tubercle of distal phalanx of each digit
95
(a) deep digital flexor
flex carpus flex digit o: medial epicondyle (humerus, ulna, radius) I: flexor tubercle of distal phalanx of each digit
96
(a) pronator quadratus
pronate the antebrachium spans interosseus space between radius and ulna bones
97
interossei
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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