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68 Cards in this Set
- Front
- Back
Superficial pectoral origin
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Cranial sternum
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Superficial pectoral insertion
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Crest of the Greater tubercle
Cranial border of humerus |
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Superficial pectoral action
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Adduct limb when not bearing weight
Prevent limb from being abducted when bearing weight |
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Superficial pectoral innervation
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Cranial pectoral muscles (C7, C8)
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Deep pectoral origin
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sternum
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Deep pectoral insertion
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Greater and lesser tubercles
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Deep pectoral action
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When limb is advanced and fixed, pulls trunk cranially
When limb is not supporting weight, adducts the limb |
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Deep pectoral innervation
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Caudal pectoral nerves (C8, T1)
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Brachiocephalicus origin
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Clavicular intersection
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Brachiocephalicus insertion
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Cleidobrachialis:
Dog: Distal cranial humerus Cat: Proximal ulna Cleidocephalicus Mastoid: Mastoid process of temporal bone Cervical: Dorsal neck (Car) |
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Brachiocephalicus action
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Pull thoracic limb cranially
Draw head from side to side and/or depress head |
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Brachiocephalicus innervation
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Accessory nerve and ventral branches of cervical spinal nerves
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Sternocephalicus attachments
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Cranial attachment:
Mastoid part: Mastoid process of temporal bone Occipital part: Occipital bone Caudal attachment: Cranial sternum |
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Sternocephalicus action
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Draw head and neck to side
Depress head and neck |
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Sternocephalicus innervation
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Accessory nerve and ventral branches of cervical spinal nerves
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Sternohyoideus origin
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Cranial sternum
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Sternohyoideus insertion
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Basihyoid bone (located in the base of the tongue)
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Sternohyoideus action
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Pull tongue and larynx caudally
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Sternohyoideus innervation
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Ventral branches of cervical spinal nerves
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Sternothyroideus origin
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Cranial sternum
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Sternothyroideus insertion
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thyroid cartilage of the larynx
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Sternothyroideus action
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Draws larynx and tongue caudally
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Sternothyroideus innervation
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Ventral branches of cervical spinal nerves
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Omotransversarius origin
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Wing of the atlas
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Omotransversarius insertion
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Distal spine of the scapula
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Omotransversarius action
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Pull thoracic limb cranially when not bearing weight
Depress and pull head and neck to the side |
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Omotransversarius innervation
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Accessory nerve
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Trapezius origin
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Cervical part: Dorsal neck
Thoracic part: Dorsal thorax |
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Trapezius insertion
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Spine of scapula
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Trapezius action
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Elevate thoracic limb
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Trapezius innervation
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Accessory nerve
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Rhomboideus origin
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Capital part (Car): occipital bone
Cervical part: dorsal neck Thoracic part: dorsal thorax |
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Rhomboideus insertion
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Dorsal border of scapula
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Rhomboideus action
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Elevate thoracic limb
Depress scapula to the trunk |
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Rhomboideus innervation
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Ventral branches of cervical and thoracic spinal nerves
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Serratus ventralis origin
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Cervical part: cervical vertebrae
Thoracic part: thoracic wall (ribs) |
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Serratus ventralis insertion
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Serrated face of scapula
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Serratus ventralis action
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Support/elevate the trunk
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Serratus ventralis innervation
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Ventral branches of cervical spinal nerves and the long thoracic nerve (C7)
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Latissimus dorsi origin
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Thoracolumbar fascia
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Latissimus dorsi insertion
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Teres major tuberosity
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Latissimus dorsi action
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Draw thoracic limb caudally
Non-weight bearing: flex humeral joint Weight bearing: extend humeral joint |
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Latissimus dorsi innervation
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Thoracodorsal nerve (C7, C8, T1)
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Coracobrachialis origin
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Coracoid process of scapula
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Coracobrachialis insertion
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Crest of lesser tubercle
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Coracobrachialis action
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Adduct limb at humeral joint
Serve as a medial collateral ligament of the humeral joint |
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Coracobrachialis innervation
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Musculocutaneous nerve
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Biceps brachii origin
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Supraglenoid tubercle of the scapula
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Biceps brachii insertion
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Porximal and medial aspects of radius and ulna
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Biceps brachii action
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Flex cubital joint
Extend humeral joint |
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Biceps brachii innervation
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Musculocutaneous nerve
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Brachialis origin
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Proximal part of lateral humerus
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Brachialis insertion
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Proximal and medial aspects of radius and ulna
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Brachialis action
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Flex cubital joint
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Brachialis innervation
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Musculocutaneous nerve
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Triceps brachii origin
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Long head: Caudal border of scapula
Other heads: proximal humerus |
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Triceps brachii insertion
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Tuber olecrani
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Triceps brachii action
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All heads: Extend cubital joint
Long head: Flex humeral joint |
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Triceps brachii innervation
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Radial nerve
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Tensor fasciae antebrachii origin
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Latissimus dorsi and fascia on caudal border of scapula
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Tensor fasciae antebrachii insertion
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Tuber olecrani
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Tensor fasciae antebrachii action
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Extend cubital joint
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Tensor fasciae antebrachii innervation
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Radial nerve
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Anconeus origin
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Caudal aspect of distal humerus
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Anconeus insertion
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Tuber olecrani
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Anconeus action
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Extend cubital joint
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Anconeus innervation
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Radial nerve
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