Term
| superficial pectoral muscles |
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Definition
O:first two sternebrae & part of third
Ins:crest of greater tubercle of humerus
A:adduct limb
Iner: cranial pectoral nerves |
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Term
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Definition
O:ventral sternum
Ins:lesser tubercle of humerus
A: pull trunk crainial & extend shoulder joint.(standing)
draw limb caudally and flex shoulder joint, adduct (not standing) |
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Term
brachiocephalicus
-cleidobrachialis
-cleidocephalicus |
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Definition
Att: (cleidobrachialis) to the distal end of the cranial border of humerus.
(cleidocephalicus) attaches to the mastoid part of the temporal bone
Action: advance the limb, extend shoulder, move head from side to side
Innervation: accessory nerve and cervical spinal nerves |
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Term
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Definition
Origin:first sternebra
Insertion:mastoid part of the temporal bone & nucal crest of occipital
Action:move head and neck side to side
Innervation:accessory nerve, cervical spine nerves |
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Term
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Definition
Origin: first sternebra and first costal cartilage
Insertion: basihoyoid bone
Action:pull tongue and larynx caudally
Innervation:cervical spinal nerves |
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Term
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Definition
Origin:first costal cartilage
Insertion:caudolateral surface of thyroid cartilage
Action: pull tongue and larynx caudally
Innervation: cervical spinal nerves |
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Term
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Definition
Attachments:distal end of spine of scapula, crainally, the transverse wing of atlas
Action: advance the limb or flex the neck laterally
Innervation: accessory nerve |
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Term
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Definition
Origin: third cervical vertebra to ninth thoracic verteba
Insertion:spine of scapula
Action:to elvate and abduct the forelimb
Innervation:accessory nerve |
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Term
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Definition
Origin:nuchal crest of occipital bone, median fibrous raphe of neck, spinous process of the first seven thoracic vertebra
Insertion: dorsal border scapula
Action: elevate forelimb draw scapula towards trunk
Innervation:thoracic and cervical spinal nerves |
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Term
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Definition
Origin:spinous process of lumbar and last seven or eight thoracic vertebrae, last two or three ribs
Insertion:teres major tuberosity of humerus and teres major tendon
Action:to draw the free limb caudally as in digging, flex shoulder joint
Innervation: thoracodorsal nerve |
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Term
| serratus ventralis cervicis |
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Definition
Origin:transverse process of the last five cervical vertebrae and the first seven or eight ribs ventral to their middle
Insertion: dorsomedial third of scapula(serrated face)
Action:support trunk & depress scapula
innervation: cervical spinal nerves and long thoracic nerve |
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Term
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Definition
Origin:spine and acromial process of scapula
Insertion:deltoid tuberosity
Action:flex shoulder
Innervation:axillaary nerve |
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Term
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Definition
Origin: infraspinous fossa
insertion:lateral side of greater tubercle of humerous
Action:extend or flex joint. abduct shoulder. rotate the arm laterally
Innervation: suprascapular nerve |
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Term
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Definition
Origin:infraglenoid tubercle and distal third of caudal border of scapula
Insertion:teres minor tuberosity of humerus
Action:flex shoulder and rotate arm laterally
Innervation: axillary nerve |
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Term
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Definition
Origin: the supraspinous fossa
Insertion:the greater tubercle of humerus
Action:extend and stabilize the shoulder joint
Innervation:suprascapular nerve |
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Term
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Definition
Origin:the subscapular fossa
Insertion:lesser tubercle of the humerus
Action:to adduct, extend, and medially stabilize the shoulder joint. rotate arm medially |
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Term
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Definition
origin:caudal border of scapula, caudal surface of subscapularis
Insertion:teres major tuberosity of humerus
Action:flex shoulder and rotate arm medially
Innervation: axillary nerve |
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Term
| tensor fascia antebrachii |
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Definition
Origin: fascia covering latissimus dorsi
Insertion:olecranon
Action: to extend elbow
Innervation: radial nerve |
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Term
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Definition
Origin: range depending on which head
Insertion: olecranon ruber
Action: extend elbow
Innervation: radial nerve |
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Term
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Definition
Origin: lateral supracondylar crest and medial epicondyles of humerus
Insertion: later surface of proximal end of ulna
Action: extend elbow
Innervation:radial nerve |
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Term
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Definition
Origin: supraglenoid tubercle
Insertion:ulnar and radial tuberosities
Action:flex elbow and extend shoulder
Innervation: musculocutaneous nerve |
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Term
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Definition
Origin: proximal third of laterl humerus
Insertion: ular and radial duberosities
Action: fles elbow
Innervation: musculocutaneous nerve |
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Term
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Definition
Origin: lateral supracondylar crest
Insertion: small tuberosities on the dorsal surfaces of the base of metacarpals II and III
Action: extend carpus
Innervation:radial nerve |
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Term
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Definition
Origin: lateral epicondyle of humerous
Insertion: extensor process of distal phalanges digits II III IV and V
Action: extend the joints of four principal digits on carpus
Innervation: radial nerve |
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Term
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Definition
Origin: lateral epicondyle of humerus
Insertion:the proximal end of phalanges digits III IV V
Action:to extend the carpus and joints of digits III IV V
Innervation: radial nerve |
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Term
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Definition
Origin: lateral epicondyle of humerus
Insertion: lateral aspect o proximal end of metacarpal V and the accessory carpal bone
Action: abduct and extend the carpal joint
Innervation: radial nerve |
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Term
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Definition
Origin: lateral border and cranial surface of the ulna body, interosseous membrane
Insertion: proximal end of metacarpal I
Action: abduct the first digit, extend carpal joints
Innervation: radial nerve |
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Term
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Definition
Origin: medial epicondyle of the humerus
Insertion: medial border of the radius between proximal and middle thirds
Action: rotate forearm medially (palmar side of paw faces down), flex elbow
Innervation: median nerve |
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Term
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Definition
Origin: medial epicondyle of humerus, medial border of radius
Insertion: the palmar side of teh base of metacarpals II and III
Action: to flex carpus
Innervation: median nerve |
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Term
| superficial digital flexor |
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Definition
Origin: medial epicondle of humerus
Insertion: palmar surfcae of proximal end of middle phalanges digits II III IV V
Action: flex carpus, metacarpophalangeal, proximal interphalangeal joints of digits II III IV V
Innervation : median nerve |
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Term
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Definition
Origin: Ulnar head, caudal medial olecranon. humeral head-medial epicondyle of hunerus
Insertion: accessory carpal bone
action: to flex carpus
Innervation: ular nerve |
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Term
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Definition
Origin: humoral head, medial epicondyle of humerus; ular head;radial head
Insertion: palmar surface of distal phalanx of each digit
Innervation: median and ulnar nerve |
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