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Anatomy > Thoracic Limb > Flashcards

Thoracic Limb Flashcards

0
Q

Deep Pectoral

A

(O) Ventral part of the sternum
(I) Lesser tubercle of the humerus, and through aponeurosis to greater tubercle and its crest, also medial brachial fascia.
(A) Adduct limb. Pull trunk cranially. Extend shoulder joint.

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1
Q

Superficial Pectoral

A

Descending & Transverse:
originate on the sternebrae and insert on the crest of the greater tubercle of the humerus.
(A) Adduct limb, when not bearing weight. Prevent limb from being abducted when bearing weight.

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2
Q

Brachiocephalicus

A

Cleidobrachialis & Cleidocephalicus: divided by clavicular intersection

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3
Q

Cleidobrachialis

A

(O) Clavicular intersection
(i) distal end of the cranial border of humerus
(A) Advance limb, extend shoulder joint, draw head and neck to the side

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4
Q

Cleidocephalicus

A

Pars Mastoideous, Pars Cervicalis
(O) Clavicular intersection
(I) Mastoid process, dorsal midline of the neck
(A) Advance the limb, extend the shoulder joint, draw the neck and head to the side.

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5
Q

Sternocephalicus

A

Mastoid part, Occipital part
(O) Sternum (first sternebra)
(I) Mastoid process, nuchal crest of occipital bone
(A) Draw the head and neck to the side

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6
Q

Sternohyoideus

A

(O) first sternebra and first costal cartilage
(I) basihyoid bone
(A) Pulls tongue and larynx caudal

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7
Q

Sternothyroideus

A

(O) First costal cartilage
(I) Caudolateral surface of the thyroid cartilage
(A) pulls tongue and larynx caudal

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8
Q

Omotransversarius

A

Attachment: Spine of the scapula (distal end), transverse wing of the atlas
Action: advance the limb and flex the neck laterally

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9
Q

Superficial Cervical Lymph Nodes

A

found near/under Omotransversarius

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10
Q

Trapezius

A

Cervical & Thoracic Parts
(O) Median raphe of neck and supraspinous ligament from 3C vertebra through 9T vertebra
(I) Spine of scapula
(A) Elevate/Abduct Forelimb

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11
Q

Rhomboideus- (3)

A

Capitis, Cervicalis, Thoracis
(O) Nuchal crest, median raphe neck, spinous processes of first 7T vertebrae.
(I) Dorsal border of scapula
(A) Elevate forelimb, draw scapula against trunk

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12
Q

Latissimus Dorsi

A

(O)Thoracolumbar fascia from spinous processes of the lumbar and last 7/8T vertebrae, muscular attach. to last 2/3 ribs
(I)Teres Major tuberosity of humerus and the teres major tendon
(A) Draw limb caudal. (dig) Flex shoulder joint.

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13
Q

Serratus Ventralis

A

Cervicis & Thoracis Parts
(O) Transverse process of last 5C vertebrae and first 7/8 ribs ventral to middle
(I) Serrated face of scapula
(A) Support trunk and depress the scapula

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14
Q

Deltoideus

A

(O) Spine and acromial process of scapula
(I) Deltoid tuberosity
(A) Flex shoulder

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15
Q

Infraspinatus

A

(O) Infraspinous fossa
(I) Lateral side of greater tubercle of humerus
(A) extend and laterally stabilize/flex shoulder. abduct shoulder/rotate laterally. Prevent medial rotation and provide lateral stability when weight bearing.

16
Q

Teres Minor

A

(O) Infraglenoid Tubercle and caudal border of scapula
(I) Teres Minor tuberosity of humerus
(A) Flex shoulder joint, rotate shoulder laterally, prevent medial rotation when bearing weight

17
Q

Supraspinatus

A

(O) supraspinous fossa
(I) greater tubercle of humerus-thick tendon
(A) extend and laterally stabilize shoulder joint

18
Q

Subscapularis

A

(O) Subscapular fossa
(I) lesser tubercle of humerus
(A) adduct, extend/medially stabilize shoulder joint. rotate shoulder medially & prevent lateral rotation when bearing weight

19
Q

Teres Major

A

(O) Caudal angle/caudal border of scapula & subscapularis
(I) Teres Major tuberosity of humerus
(A) flex shoulder, rotate shoulder medially, prevent lateral rotation when bearing weight

20
Q

Coracobrachialis

A

(O) Corocoid process of scapula
(I) crest of lesser tubercle of humerus, prox. to teres major tuberosity
(A) adduct/extend/stabilize shoulder joint

21
Q

Tensor Fasciae Antebrachii

A

(O) Fasciae covering lateral side of latissimus dorsi
(I) olecranon
(A) extend elbow

22
Q

Triceps Brachii

A

Long, (Lateral, Medial, Acessory)
(O) scapula (O) proximal end of the humerus
(I) olecranon tuber
(A) extend elbow

23
Q

Anconeus

A

(O) lateral supracondylar crest & lateral/medial epicondyles humerus
(I) lateral surface of proximal end of ulna (olecranon)
(A) extend elbow

24
Q

Biceps Brachii

A

(O) Supraglenoid tubercle
(I) ulnar/radial tuberosities
(A) flex elbow/extend shoulder

25
Q

Brachialis

A

(O) proximal third of lateral surface of humerus
(I) ulnar/radial tuberosities
(A) flex elbow

26
Q

Extensor Carpi Radialis

w/ extensor retinaculum

A

(O) lateral supracondylar crest
(I) small tuberosities on dorsal surfaces on base of metacarpals 2/3
(A) extend carpus

27
Q

Common Digital Extensor

A

(O) lateral epicondyle of humerus
(I) extensor processes of distal phalanges of digits 2,3,4,5
(A) extend the joints of 4 digits of carpus

28
Q

Lateral Digital Extensor

A

(O) lateral epicondyle of humerus
(I) proximal ends of phalanges of digits 3,4,5
(A) extend carpus and joints of digits 3,4,5

29
Q

Ulnaris Lateralis

A

(O) lateral epicondyle of humerus
(I) lateral aspect of proximal end of metacarpal 5 and accessory carpal bone
(A) abduct manus, flex carpal joint, support carpus when extended to support weight

30
Q

Supinator

A

(O) lateral epicondyle of humerus
(I) cranial surface of proximal 4th of radius
(A) rotate forearm laterally so palmar side of paw faces medially-supination, to flex the elbow

31
Q

Abductor Digiti I longus

A

(O) lateral border of cranial surface of body of ulna
(I) proximal end of metacarpal 1
(A) abduct first digit, and extend the carpal joints

32
Q

Pronator Teres

A

(O) medial epicondyle of humerus
(I) medial border of radius, between proximal and mid. thirds
(A) rotate forearm medially so palmar side of paw faces ground-pronation, to flex the elbow

33
Q

Flexor Carpi Radialis

A

(O) medial epicondyle of humerus, medial border of radius
(I) palmar side of base of metacarpals 2/3
(A) flex the carpus

34
Q

Superficial digital flexor

A

(O) medial epicondyle of humerus
(I) palmar surface of the base of the middle phalanges of digits 2/3/4/5
(A) flex the carpal, metacarpophalangeal and proximal interphalangeal joints of digits 2,3,4,5

35
Q

Flexor Carpi Ulnaris

A

Ulnar head-caudal border and medial surface of the olecranon, humeral- medial epicondyle of humerus
(I) accessory carpal bone
(A) flex the carpus

36
Q

Deep Digital Flexor

A

Humeral-medial epicondyle, ulnar- caudal border of ulna, radial-medial border of radius
(I)flexor tubercle of palmar surface of distal phalanx of each digit
(A) flex carpal and metacarpophalangeal joints and the prox./distal interphalangeal joints of digits

Anatomy (17 decks)

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