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6 Cards in this Set
- Front
- Back
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Pectoralis Major
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Origin: 1)clavicular head 2) sternal head - sternum cartilages of the upper 6ribs
Insertion: 1) lateral lip of bicipital groove of the humerus Joint action: ad of the shoulder, horizontal ad of the humerus, medial rotation of the humerus, flex and extend |
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Latissimus Dorsi
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Orgin: Thoracolumbar aponeurosis, lower 6 thoracic spinous process, sacrum, iliac crest, lower 3-4 ribs, inferior angle of the scapula
Insertion: Bicipital groove of the humerus Joint action: Extension of the shoulder medial rotation of the shoulder/humerus add of the shoulder/humerus |
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Teres Major
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Origin: 1)Inferior angle of the scapula 2) Lower 3rd of axillary boarder of scapula
Insertion: Medial lip of the bicipital groove f the humerus Joint action: extension of the shoulder medial rotation of the shoulder/humerus add of the shoulder/humerus |
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Pectoralis Minor
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Origin: Anterior surface of the ribs 3,4,5 - near costal cartilage
Insertion: 1) coracoid process of the scapuls 2) Midial border, superior surface Joint action: Protraction Depression Downwrd rotation of the scapula Ad of the scapula |
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Teres Minor
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Origin: Lateral (axillary) boarder of scapula
Insertion: inferior aspect of the humerus Action: Lateral rotation Ad arm at the shoulder helps stabilize the shoulder |
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Serratus Anterior
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origin: outer surface of teh upper 8 ribs with finger like attachments
Insertion: 1)Vertebral (medial) boarder of teh scapula anterior surface Joint action: Protraction of the scapula Upward rotation of the scapula abduction |
