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4 Cards in this Set
- Front
- Back
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Pectoralis Major
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Adducts and medially rotates humerus; flex extended humerus (clavicular head); extend flexed humerus (sternocostal head)
Medial (sternocostal) and Lateral (clavicular) pectoral nerves 3 heads, ins. into humerus |
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Pectoralis Minor |
Stabilize scapula and pull it forward Medial pectoral nerve Orig. ribs 3-5 Ins. coracoid process of scapula |
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Subclavius |
Anchor and depress clavicle to sternum Nerve to subclavius (C5) Orig. 1st costal cartilage |
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Serratus Anterior |
Protract scapula; rotate superiorly Long Thoracic Nerve Orig. ribs 1-9 Ins. anterior edge of the medial scapula Winged Scapula |
