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GA 1 > Muscles of the Forelimb OI, artery supply > Flashcards

Muscles of the Forelimb OI, artery supply Flashcards

OI,Action

1
Q

Subscapularis

A

O: subscapular fossa ( medial side scapula)
I: lesser tubercle humerous
Action: adduct
Extend.l
Stabilize shoulder

Artery: subscapular a ( axillary)

nerve: axillary n + subscapular n

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2
Q

Coracobrachialis

A

O: coracoid process ( scapula )
I:crest less tubercle

Action:
Exten shoulder
Adduct

Artery

Nerve
Musculocutaeous n

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3
Q

Deep Pectoral

A

O:
ventral sternebrae
Deep abdonimal fascia from xiphoid process

I:
Lesser tubercle humerous ( medial)
Aponeurosis to crest of greater tubercle

Action:
Digging –
Draw limb caudally
Flex shoulder

WB: extend shoulder joint

Artery: Lateral thoracic a (axillary)

nerve: caudal thoracic

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4
Q

Superficial pectoral

A

O: First 1-2 Sternebrae
I:Crest greater tubercle humerus ( lateral)

Action:
adduct
WB: prevent abducting

Artery: External thoracic

Nerve: cranial thoracic

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5
Q

Brachiocepahlicus
- Cleidobrachialis

A

O: clavicular tendon
I: distal cranial border humerus

Action:
Advance limb
Draw neck laterally
WB: Extend shoulder joint
Artery:

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6
Q

Brachiocephalicus-
Cleidocephalicus pars mastoid

A

O: clavicular tendon
I: Mastoid bone

Action:
Advance limb
Draw neck laterally
WB: Extend shoulder joint

Artery:

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7
Q

Brachiocephalicus
cleidobrachialis pars clavicular

A

O: clavicular tendon

I: cranial half mid dorsal raphe

Action: Same as brachiocepahlicus

Artery:

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8
Q

Sternocephalicus
- mastoid part
- occipital part

A

O: 1 st sternebrae

I:
Mastroid part temporal bone
Nuchal crest occipital bone

Action:
draw neck side

Artery:

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9
Q

Sternohyoideus

A

O: 1st sternebrae

I:basihyoid bone

Action:
draw tongue and larynx caudally

Artery:

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10
Q

Sternothyroideus

A

O: 1st coastal cartilage

I: caudolateral surface thyroid cartilage

Action:
draw tongue and larynx caudally

Artery:

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11
Q

Omnotransversarius

A

Attachement: wing of atlas —-distal spine of scapula

Action:
Advance limb
Draw neck laterally
( same are brachiocephalicus , makes sense since omno is under brachio)

Artery:

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12
Q

what special structure is found under omnotransversarius?

A

superficial cervical lymph node

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13
Q

Trapezius
cervical part
thoracic part

A

O: Supraspinatous ligament c3 to T9

median raphe neck

I: Spine Scapula

Action:
-WB: extend shoulder
-Abduction

Artery:

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14
Q

Rhomboideus
capitis
cervicis
thoracis

A

O:
Nuchal crest occipal bone
Median raphe neck
Spinous processes T1 - T7

I: Dorsal border scapula

Action:
- WB: Extend shoulder
-draw scapula to truck ( stabilise)

Artery:

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15
Q

Latissimus Dorsi

A

O:
Spinous processes last 7-8 thoracic vertebrae + lumbar vertebrae

I: Teres major tuberosity ( medial humerous)

Makes sense lstissmus is next to trees major

Action:
- draw limb caudally
- flex shoulder

Artery:
- thoracodorsal a. ( branch from subscapular — Axillary)

-lateral thoracic (axillar)

Nerve
-Thoracodorsal n

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16
Q

Serratus Ventralis

A

O:
Transverse processes last cervical vertebrae
Ribs 1-7

I:Serrated face Scapula ( medial)

Action:
- depress scapula
- Support trunk sling muscle, transfers weight head and trunk to forelimb)

Artery:

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17
Q

Infraspinatous

A

O: Infraspinatous fossa scapula

I: Small area lateral side humerous near teres minor tuberosity

Action:
Extend shoulder
Flex shoulder
abduct shoulder
Lateral Stabilisation
Prevent medial rotation

Artery:

nerve: suprascapular n

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17
Q

Teres Minor

A

O: infraglenois tubercle

I: Tere minor tuberosity ( huerous lateral side)

Teres minor right next to infraspinatous. Inflaglenoid tubercle is right under infraspinatous fossa***

Action:
Flex shoulder
Prevent medial rotation
Rotate shoulder laterally

Artery:

Nerve:
-axillary n

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17
Q

Deltoid
Acromial part
Spinal spinal

A

O:
Acromial process Scapula
Spine Scapula

I: Deltoid tuberosity ( Lateral humerous)

Action:
Flex shoulder

Artery:

nerve:
axillary n

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18
Q

Supraspinatous

A

O: Supraspinous fossa (scapula)

I: Greater tubercle humerous ( lateral side)

**makes sense since infraspinatous is close to supraspinatous attaches on lateral surface near tere minor tubersity which is on lateral side and the greater tubercle is lateral) + trees minor next to there and attaches trees minor tubeosit lat numerous greater tubercle

Action:
Extend shoulder
Stabilise shoulder joint

Artery:

Nerve
Suprascapular n

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18
Q

Subscapularis

A

O: Subscapular fossa ( medial scapula)

I:Lesser tubercle humerous

** makes sense since on medial side and lesser tubercle is on medial side**

Action:
Adduct
Extend
Medically stabilise shoulder

Artery:
Subscapular a

Nerve
Subscapular n.
axillary n

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19
Q

Teres Major

A

O: Caudal border scapular
Caudal surface subscapularius ( medial scapula)

I: Teres major tuberosity ( medial humerous)

Action:
Flex
prevent lateral rotation
Rotate shoulder medially

Artery:
Subscapular a.
Thoracodorsal a.

nerve: axillary n

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20
Q

Tensor fascia antibrachii

A

O: Fascia lateral side latissimus dorsi

I:Olecranon

Action:
Extend elbow

Artery:

Nerve: Radial n

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21
Q

Triceps Brachii Long head

A

O:Caudal border scapula

I: Olecranon

Action:
- Extend elbow
-Flex shoulder

Artery:
Deep Brachial ( bachial a.)

Nerve
Radial n.

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22
Q

Triceps Brachii Lateral head

A

O:Triciptial line (humerus lateral)

** makes sense since lateral head on lateral side brachium and triciptial line is lateral side humerous)

I: Olecranon

Action:
- extend elbow

Artery:
Deep brachial ( Brachial a.)

Nerve
Racial n

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23
Q

Triceps Brachii accessory head

A

O: Neck humerous

can be see on lateral and medial side therefore makes sense it is in a general region of numerous that cam be viewed from both side

I: Olecranon

Action:
-extend elbow

Artery:
Deep brachial ( brachial a)

Nerve
Radial n

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24
Q

Triceps Brachii Medical head

A

O: Crest lesser tubercle

** makes sense right below coracoidbrwcial hat inserts on crest lesser tubercle***

I: Olecranon

Action:
- extend elbow

Artery:
- deep brachial ( brachial a)
-collateral ulnar a ( brachial a)

Radial nerve

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24
Q

Anconeus

A

O: Medial epicondyl
Lateral epicondyl
Lateral supracondylar crest
epicondyle humerus

I: Olecranon

Action:
extend shoulder

Artery:

nerve: Radial n

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25
Q

What is the transverse humoral retinaculum?

A

Holds down tendon biceps brachii
retinatlum that goes over intertubercle groove

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26
Q

Biceps Brachii

A

O: Supraglenoid tubercle

I: Ulna and radial tuberosities

Action:
-flex elbow
-extend should

Artery:

Biciptial a ( brahial a)
Cranial circumflex Humeral a ( Axillary a)

Nerve
Musculocutaneous n

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27
Q

Brachialis

A

O: Biceps groove

I: ulna and radial tuberosities

Action:
-flex elbow

Artery:

Nerve
Musculocutaneous n

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28
Q

Extensor Carpi Radialis

A

O: lateral supracondrylar crest

I: tuberosities dorsal surface metacarpals 2 and 3

Action:
- extend the carpal joint

Artery
common interosseous ( brachial a)

nerve: radial n

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29
Q

Common digital extensor

A

O: lateral epicondyle

I: extensor processes distal phalages 2, 3,4,5

Action:
-extend carpus
- extend phalanges

Artery: common interosseous ( brachial a)

nerve: radial n

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30
Q

Lateral digital extensor

A

O: lateral epicondyle

I: extensor processes distal phalanges of digits 3,4,5

Action
- extend carpal joint
-extend digits 3,4,5

Artery
Common interosseous

nerve: Radial N

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31
Q

Ulnaris lateralis

A

O: lateral epicondyle

I:
accessory bone
pollex

Action:
-flex carpal joint
- abduct manus

Artery: common interosseous

Nerve : Radial N

32
Q

Supinator

A

O:lateral epicondyle

I: cranial 1/4 proxmial radius

Action
-supinate

Artery

33
Q

Abductor digit 1 longus

A

O: lateral/ cranial border ulna

I: pollex

Action
-extend carpal joints
-abduct pollex

Artery
Common interosseous?

Nerve
Radial nerve?

34
Q

Pronator teres

A

O:Medical epicondyle humerus

I: medial border radius

Action
- pronation

Artery

Nerve
Median n

35
Q

Flexor Carpi Radialis

A

O: Medial epicondyle humerus
medial border radius

I:palmar base metacarpals 2 and 3

Action
- flex carpal joint

Artery
Deep antibrachial a ( median a)

Nerve
Median

36
Q

Superficial Digital flexor

A

O:Medial epicondyle

I: palmar surface middles phalanges digits 2,3,4,5

Action
- flex carpal joint
-flex metacapals
-flex interphalangeal joints 2,3,4,5

Artery
Deep antebrachial ( median a)

Nerve
Median

37
Q

Deep Digital flexor

A

O: ulnar head
radial head
humeral head
medial epicondyle

I: flexor tubercle palmar surface of distal phalanx digits 1,2,3,4,5

Action
- flex carpal and metacarpophalangeal joint
-flex proximal and and distal interphalangeal joints

Artery
Deep antebrachial ( median a)

Nerve
Median
Ulnar

38
Q

Flexor Carpi Ulnaris
Radial head
Ulnar Head

A

O: Ulna head
medical epicondyle
Caudal border medical surface olecranon

I: accessory bone

Action
- flex carpus

Artery
Deep antebrachial ( median a)

Nerve
Ulnar

39
Q

Pronator Quadratus

A

between ulna and radius

Action
-pronate paw

Artery
- Common interosseous a ( brachial)

Nerve
Median n

40
Q

what is flexor manica?

A

whole in superficial digital flexor tendon to allow deeep digital flex tendon to pass and reach phalange 1

41
Q

what is the carpal canal borders?

A
42
Q

What nerves supply paw?

A

Palmar
-median, ulnar

Dorsal
-radial

43
Q

What muscles does External thoracic a. feed?

A

external thoracic (Axillary )

superficial pectorals

44
Q

What muscles does Lateral thoracic a. feed?

A

from axillary

deep pectoral
latissimus dorsi
cutaneous trunci

45
Q

what artery suppies the glenhumoral joint?

A

caudal circulflex humoral a. ( axillary)

cranial circumflex humoral

46
Q

What muscles does Cranial circulflex a. feed?

A

Briceps brachii

47
Q

What muscles does deep brachial a. feed

A

triceps
- long head
-medial heead
-accessory head
-lateral head

48
Q

What muscles does Bicipital a. feed

A

Brachial

Biceps brachii

49
Q

Supply to the biceps brachii comes from what major branches? Axillare? brachial? medial?

A

Axillary branch ( via cranial circulflex humoral)

Brachial branch ( via biciptial)

50
Q

What muscles does collateral ulnar. feed

A

Brachial a

caudal elbow

medial head triceps

51
Q

What muscles does transverse cubital a. feed

A

Brachial a
the cranial elbow

52
Q

What muscles does Common interosseous. feed?

A

brachial a

pronator quadatrus

extensors

53
Q

What muscles does median a. feed

A

palmar manus

54
Q

What muscles does radial a. feed

A

dorsal manus
alittle bit of the palmar

55
Q

brachial plexus is from ?

A

C6 -T2

56
Q

how is blood supply to manus?

A

dorsal: radial ( median a)
palmar: median + radial

57
Q

what does cranial thoracic n innervate?

A

superficial pectoral

runs with: external thoracix artery

58
Q

what does caudal thoracic n innervate?

A

deep pectorals

runs with : lateral thoracid artery

59
Q

what is near axillary lymph node?

A

-lateral thoraci artery
-lateral thoracic n

60
Q

what does lateral thoracic n innervate?

A

cutaneous trunci

61
Q

what motor action does lateral thoracic nerve do?

A

Puniculus

62
Q

what does thoracodrosal n innervate?

A

latissiums dorsi

can be found with thoracodoral a

63
Q

what does Suprascapular n innervate?

what is its landmark?

A

infraspinatous
supraspinatous

landmark? squeeze medial side between subscapularis and medial part of suprascapular

64
Q

what does Subscapular n innervate?

A

Subscapularis

65
Q

what does musculocutaneous innervate?

A

Motor (efferent)
-biceps brachii
-brachialis
-coracoidbrachials

” flexors of elbow”

Sensory (afferent)
-medial antibrachium ( medial cutaneous antibrachium n )

66
Q

what does axillary n innervate?

A

” flexors of shoulder”

motor efferent
-deltoids
-teres major
-teres minor
-subscapularis

sensory afferent
-caudal lateral brachium

67
Q

what does Radial n innervate?

A

extenosors

Motor effert
Proximal medial branch
- triceps
-anconeus
-tensor fascia antibrachrium

distal ( see lateral side)
-extensor carpi radial
-common digital extensor
-lateral digitial extensor
-ulnaris lateralis

AFFERENT SENSORY
- laterla antibrachium
-dorsal manus

68
Q

radial nerve is found where?

it travels with what?

A

between lateral and long head triceps

travels with deep brachial a ( brachial a)

69
Q

What nerves are responsible for sesnsory to paw?

A

Dorsal: radial n

palmar: median, ulnar

70
Q

what does Median n innervate?

A

Motor efferent
-pronator quadratus
-pronator teres
-flor carpi radials
-DDF
-SDF

Sensory
-palmar paw

71
Q

what does ulnar n innervate?

A

motor efferent
-flexor carpi ulnaris
-deep digital flexor

sensory afferent
-palmar p

72
Q

what is the autonomous zone for ulnar nerve?

A

5th digit
palmar paw

73
Q

what is the autonomous zone for radial nerve?

A

pollex ( digit 1)
palmar paw

74
Q

what is autonomous zone for musculocutaneous?

A

medial antobrachium

75
Q

what would happen if damage to ulnar + medial n?

A

hyperextension ( flexor wont work)

loss sensation palmar paw
- 5th digit if ulnar nerve alone

76
Q

what would happen if damage to musculcutaneous n?

A

no flexion

loss sensation to medial antibrachium

77
Q

what would happen if damage to axillary n?

A

dropped shoulder, no shoulder flexion

no sesions to lateral brachium

78
Q

The distal annual ligament hold what?

A

The tendon of deep digital flexor
-over thr distal interphalangeal joints (dog)
- over the distal interphalgeal Joint (coffin joint)

79
Q

The proximal digital annual ligament hold want?

A

Tendon of superficial digital flexor and deep digital flexor over
-proximal interphalangel Joint dogs
-interphalengel Joint (pastern joint) horse

80
Q

The proximal digital annual ligament hold want?

A

Tendon of superficial digital flexor and deep digital flexor over
-proximal interphalangel Joint dogs
-interphalengel Joint (pastern joint) horse

81
Q

Flexor retinaculum is called what in the horse? Located where?

A

Palmar flexor retinaculum
-carpus
-dorsal border carpal carnal

GA 1 (1 decks)

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