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Related Flashcards
Cards In This Set
| Front | Back |
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Superficial pectoral
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"Descending pectoral"
"Ascending pectoral" Origin: first 2-3 sternebra Insertion: Insertion: cranial surface of humerus Action: adduct limb, extend shoulder Innervation: pectoral |
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Deep pectoral
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Origin: ventral part of sternum
Insertion: greater and lesser tubercles of humerus Action: adduct limb, flex shoulder Innervation: pectoral |
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Brachiocephalicus
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Cleidocephalicus
--Pars mastoidia --Pars cervalicus Cleidobrachialis Origin: clavicular intersection Insertion: mastoid process (cleidocephalicus), humerus (cleidobrachialis) Action: adduct limb, flex neck laterally Innervation: accessory, axillary |
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Sternocephalicus
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Origin: first sternebra
Insertion: mastoid process Action: draw head and neck to side Innervation: accessory, cervical |
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Sternohyoideus
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Origin: sternum, first costal cartilage
Insertion: basihyoid bone Action: pull tongue and larynx caudally Innervation: cervical |
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Sternothyroideus
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Origin: first costal cartilage
Insertion: thyroid cartilage Action: pull tongue and larynx caudally Innervation: cervical |
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Omotransversarius
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Origin: wing of atlas
Insertion: distal spine of scapula Action: draws limb forward Innervation: |
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Trapezius
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Cervical part
Thoracic part Origin: median raphe of neck (cervical), spine of t3-t9 (thoracic) Insertion: spine of scapula Action: elevate and adduct forelimb Innervation: accessory |
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Rhomboideus
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R. Capitis
R. Cervicus R. Thoracic Origin: nuchal crest of occipital bone (capitis), median raphe of neck (cervicus), spinous processes of the first 7 vertebrae (thoracic) Insertion: dorsal border of the scapula Action:elevate forelimb, draw scapular against trunk Innervation: cervical and thoracic branches |
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Latissimus dorsi
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Origin: thoracolumbar fascia, last 2-3 limbs
Insertion: teres major tubercle of humerus Action: draw free limb caudally, flex shoulder Innervation: thoradorsal |
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Serratis ventralis
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SV Cervicus
SV Thorasis Origin: vertebrae c5-c7 (cervicus), ribs 1-7 (thorasis) Insertion: serrated face of scapula Action: support trunk, depress scapular Innervation: cervical branches, c7 nerves |
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Deltoideus
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Origin: spine/acromial process of scapula
Insertion: deltoid tuberosity Action: flex shoulder Innervation: axillary |
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Infraspinatous
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Origin: infraspinatous fossa
Insertion: lateral side of greater tubercle of humerus Action: flex/extend joint, adduct shoulder Innervation: axillary |
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Subtendinous Synovial Bursa
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Between tendon of infrapsinatous insertion and greatre tubercle of humerus
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Teres minor
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Origin: infragelnoid tubercle, distal 3rd caudal border of scapula
Insertion: teres minor tuberosity on humerus Action: flex, stabilize, laterally rotate shoulder Innervation: axillary |
