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Anatomy > Canine Thoracic Limb > Flashcards

Canine Thoracic Limb Flashcards

1
Q

Superficial Pectoral

A

0: first 3 sternebrae - median fibrous raphe of ventral mid-line

I: whole crest of greater tubercle of humerus

A: adduct the limb when not bearing weight and prevention of abduction of limb when bearing weight

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2
Q

Stabilize Shoulder

A 
infraspinatus
supraspinatus
subscapularis
coracobrachialis
teres major 
teres minor
biceps brachii
triceps brachii
rhomboideus
trapezius
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3
Q

Extend the Elbow

A

tensor fascia antebrachii
anconeus
triceps brachii

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4
Q

Flex the Elbow

A

biceps brachii
brachialis
pronator teres
supinator

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5
Q

Deep Pectoral

A

O: ventral part of sternum, median fibrous raphe at the ventral midline

I: lesser tubercle of the humerus- greater tubercle and crest via aponeurosis

A: pull trunk cranially when limb is advanced and fixed, extend the shoulder, draw limb caudally when not supporting weight

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6
Q

Brachiocephalicus

  1. Cleidobrachialis
  2. Cleidocephalicus - cervical and mastoid
A

O: Clavicular Intersection

I: Distal end of cranial aspect of humerus (CB)
middorsal fibrous raphe of neck (CC-C)
mastoid part of temporal bone (CC-M)

A: Advance the limb, extend the shoulder, draw head and neck to side

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7
Q

Omotransversarius

A

0: wing or transverse process of the atlas

I: distal end of scapula

A: advance the limb, flex the neck laterally

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8
Q

Trapezius

  1. Cervical
  2. Thoracic
A

O: median fibrous raphe of the neck , supraspinous ligament

I: spine of scapula

A: Elevate and abduct the limb at the shoulder

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9
Q

Rhomboideus

  1. Capitis
  2. Cervicis
  3. Thoracis
A

O: Base of skull (nuchal crest of occipital bone) (Cap)
median fibrous raphe of neck (Cerv)
spinous process of thoracic vertebrae (T)

I: Dorsal border of scapula

A: elevate limb and draw scapula against trunk

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10
Q

Latissimus Dorsi

A

O: Thoracolumbar fascia, last 2-3 ribs

I: teres major tuberosity of the humerus via the teres major tendon

A: draw leg caudally (ex. digging) and flex the shoulder

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11
Q

Serratus Ventralis

  1. Cervical
  2. Thoracic
A

O: Transverse process of cervical vertebrae (C)
Ribs (T)

I: serrated face of the scapula

A: support trunk, depress scapula

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12
Q

Sternocephalicus

  1. Mastoid
  2. Occipital
A

O: First sterner or manubrium

I: Mastoid part of temporal bone of skull (M)
nuchal crest of occipital bone (O)

A: Draw the head and neck to the sides

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13
Q

Sternohyoideus

A

O: first sternebra of the first costal cartilage

I: Basilhyoid bone

A: to pull tongue and larynx caudally

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14
Q

Sternothyroideus

A

O: frist sternebra of the first costal cartilage

I: caudolateral surface of the thyroid cartilage

A: pull tongue and larynx caudally

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15
Q

Deltoideus

  1. Scapular
  2. Acromial
A

O: Spine and acromial process of the scapula

I: Deltoid tuberosity of humerus

A: flex shoulder

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16
Q

Infraspinatus

A

O: Infraspinous fossa of the scapula

I: Lateral side of the greater tubercle of humerus

A: laterally stabilizes the shoulder, abduct and laterally rotate shoulder, assist other muscles in the extension or flexion of shoulder

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17
Q

Teres minor

A

O: infraglenoid tubercle of the scapula, distal caudal border of the scapula

I: teres minor tuberosity of the humerus

A: laterally stabilizes the shoulder, laterally rotates the shoulder, assist other muscles in flexing the shoulder

18
Q

Supraspinatus

A

O: supraspinous fossa of scapula

I: Greater tubercle of humerus

A: Laterally stabilizes the shoulder, extends shoulder

19
Q

Subscapularis

A

O: subscapular fossa of scapula

I: lesser tubercle of humerus

A: medially stabilizes the shoulder, adduct shoulder, extend shoulder

20
Q

Teres Major

A

O: caudal angle and caudal border of scapula, subscapularis muscles

I: Teres major tuberosity of humerus

A: Flex shoulder, rotate arm medially

21
Q

Coracobrachialis

A

O: coracoid processes of the scapula

I: crest of lesser tubercle of the humerus

A: mainly a shoulder stabilizes but can assist other muscles in adduction and/or extension of the shoulder

22
Q

Tensor Fasciae Antebrachii

A

O: fascia covering the lateral surface of the latissimus dorsi muscle

I: Olecranon of the ulna

A: extend elbow

23
Q

Triceps Brachii

  1. Long head
  2. Lateral Head
  3. Accessory head
  4. Medial head
A

O: caudal border of the scapula (long)
Tricipital line (lateral)
Proximal humeral neck (A)
Crest of lesser tubercle (medial)

I: Oleclranon

A: Extend shoulder (long), Extend elbow (all)

24
Q

Anconeus

A

O: lateral supracondylar crest of humerus, lateral and medial epicondyles of the humerus

I: Proximal and lateral aspect of the ulna

A: extend the elbow

25
Q

Biceps Brachii

A

O: supraglenoid tubercle of scapula

I: Radial and ulnar tuberosities

A: extend shoulder, flex elbow

26
Q

Brachialis

A

O: Proximal and lateral aspect of humerus

I: Radial and ulnar tuberosities

A: Flex elbow

27
Q

Extensor carpi radialis

A

O: Lateral supracondylar crest of the humerus

I: metacarpal tuberosities (dorsal aspect) of MC II and III

A: Extend carpus

28
Q

Common Digital Extensor

A

O: Lateral epicondyle of the humerus

I: Extensor processes of the distal phalanx of digits II, III, IV, V

A: Extend the joints of the four principal digits

29
Q

Lateral Digital Extensor

A

O: Lateral epicondyle of the humerus

I: Extensor processes of the distal phalanx of digits III, IV, V (proximal ends of all phalanges of same digits)

A: extend the joints of digits III, IV and V

30
Q

Ulnaris Lateralis

A

O: lateral epicondyle of humerus

I: Lateral aspect of proximal end of MC V , accessory carpal bone

A: Abduct carpus, flex carpus

31
Q

Supinator

A

O: lateral epicondyle of humerus

I: Cranial aspect of proximal radius

A: supination

32
Q

Abductor Pollicis Longus

Long Abductor of the first digit

A

O: lateral and cranial border of the ulna, interosseus membrane between the radius and ulna

I: Proximal end of MC I

A: Abduct digit I

33
Q

Pronator Teres

A

O: medial epicondyle of humerus

I: medial border of radius

A: Pronation

34
Q

Flexor Carpi Radialis

A

O: Medial epicondyle of the humerus , medial border of the radius

I: Palmar surface of proximal MC II and III

A: Flex carpus

35
Q

Superficial Digital Flexor

A

O: medial epicondyle of humerus

I: Palmar surface of the base of the middle phalanges of flex digits II-V

A: Flex digits II-V

36
Q

Flexor Carpi Ulnaris

  1. Ulnar Head
  2. Humeral Head
A

O: medial epicondyle of humerus, caudal and medial aspect of olecranon

I: Accessory carpal bone

A: Flex carpus

37
Q

Deep Digital Flexor

  1. Radial Head
  2. Humeral Head
  3. Ulnar head
A

O: Medial epicondyle of humerus, ulna and radius

I: Flexor tubercle of distal phalanx of each digit

A: Flex digits

38
Q

Pronator Quadratus

A

located within the space between the radius and ulna bones

A: pronate antebrachium

39
Q

Shoulder Extend

A 
brachiocephalicus
infraspinatus
supraspinatus
coracobrachialis
biceps brachii
40
Q

Shoulder Flex

A 
deep pectoral
latissimus dorsi
deltoid
teres major 
teres minor
41
Q

ABductors

A

abductor digit 1 longus
ulnaris lateralis
trapezius
infraspinatus

42
Q

ADductors

A

S. pectoral
D. pectoral
subscapularis
coracobrachialis

Anatomy (4 decks)

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