Veterinary anatomy - Shoulder muscles

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  • Created by: Equipopz
  • Created on: 16-05-19 10:04
Where does the trapezius originate in the dog?
Dorsal median raphe C3 and SP's T1-9
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Where does the trapezius originate in the horse?
Nuchal and supraspinous ligaments C2-T10
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Which nerve innervates the trapezius?
Dorsal branch of accessory
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Where does the deltoid originate in the horse?
Scapula spine and caudal scapula
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Where does the deltoid originate in the dog?
Acromion and spine of scapula
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Which nerve innervates the deltoid?
Axillary
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Equine brachialis origin and insertion?
Proximocaudal humerus to proximomedial radius
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Canine brachialis origin and insertion?
Caudal to head of the humerus to proximomedial margin of ulna and radius
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Where does the descending pectoral insert? (equine)
Deltoid tuberosity and humeral crest
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Where does the transverse pectoral originate and insert? (equine)
Costal cartilage 1-6 & adjacent sternum to forearm fascia
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Where does the transverse pectoral originate and insert? (canine)
Manubrium and cranial sternum to crest of greater tubercle
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Where does the deep pectoral originate and insert? (equine)
Sternum, dist ribs 4-9, tunica flava abdominis to maj & min tubercles of humerus and tendon of origin of coracobrachialis
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Which nerves innervate the canine pectorals?
Transverse: cranial pectoral, deep: caudal pectoral
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Where does teres major originate in the horse?
Caudal border of scapula and subscapularis
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Where does teres major originate in the dog?
Caudal margin of scapula
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Where does teres minor originate in the horse?
Distal 1/2 caudal border of scapula
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Where does teres minor insert in the horse?
Proximal to deltoid tuberosity of humerus (lateral)
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Where does teres minor originate in the dog?
Infraglenoid tubercle and distal infraspinous fossa
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Where does teres minor insert in the dog?
Teres minor tuberosity (lateral)
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Which nerve innervates the Teres muscles?
Axillary
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Where does the supraspinatus insert?
Horse: Gt & Ls tubercles of humerus, Dog: Gt. tubercle of humerus
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Where does infraspinatus insert in the horse?
Greater tubercle of humerus
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Where does infraspinatus insert in the dog?
Infraspinous surface of humerus
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What is the function of equine infraspinatus?
Extends and flexes shoulder, stabilises, acts as LCL
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What is the function of canine infraspinatus?
Flexes and abducts the shoulder
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What nerve innervates supra and infraspinatus?
Suprascapular
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Where does the subscapularis originate and insert?
Subscapular fossa to lesser tubercle of humerus
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Where does subclavius originate?
Sternum and costal cartilages 1-4
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What nerve innervates subscapularis?
Subscapular and axillary
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Which nerve innervates the subclavius?
Cranial pectoral
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Where does the lateral head of triceps originate in the horse?
Deltoid tuberosity
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Where does the lateral head of triceps originate in the dog?
Proximolateral humerus
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Where does the accessory head of triceps originate in the dog?
Caudal neck of humerus
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Which nerve innervates the triceps?
Radial
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Where does the canine tensor fascia antibrachii originate?
Caudal border of scapula and latissimus dorsi
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Where does the canine tensor fascia antibrachii insert?
Olecranon and antebrachial fascia
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What does the TFA do and nerve?
Extends elbow, tenses fascia. Radial
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Biceps brachii equine insertion?
Radial tuberosity via lacurtis fibrosis on tendon of extensor carpi radialis and MCL
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Biceps brachii only flexes the canine elbow. What about horse?
Extends carpus and shoulder, flexes elbow, via L.F. stabilises carpus as part of stay apparatus
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Which muscle originates from C2-T8 (via nuchal and dorsoscapular ligs)?
Equine rhomboideus
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Where does rhomboideus originate in the dog?
Nuchal crest, dorsal median raphe C2-T1 & cranial T-spines
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Which nerve innervates rhomboideus in the horse?
Medioventral branch of local thoracic and cervical
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Which nerve innervates rhomboideus in the dog?
Ventral branch of cervical
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Canine anconeus?
Olecranon fossa to olecranon with triceps tendon
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Anconeus function and nerve?
Elbow extensor, radial
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Canine brachioradialis?
Lateral supracondylar crest to distomedial radius
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Innervation for anconeus?
Radial
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Other cards in this set

Card 2

Front

Where does the trapezius originate in the horse?

Back

Nuchal and supraspinous ligaments C2-T10

Card 3

Front

Which nerve innervates the trapezius?

Back

Preview of the front of card 3

Card 4

Front

Where does the deltoid originate in the horse?

Back

Preview of the front of card 4

Card 5

Front

Where does the deltoid originate in the dog?

Back

Preview of the front of card 5
View more cards

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