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20 Cards in this Set
- Front
- Back
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Pectoralis Major origin
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Clavicular head - medial half of clavicle
Sternal head - sternum & cartilages of upper 6 ribs |
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Pectoralis Major insertion
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Lateral lip of Bicipital Groove of Humerus
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Pectoralis Major action
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Clavicular Head - flexion of humerus, adduction of humerus, horizontal adduction of humerus, medial rotation of humerus
Sternal head - extension of humerus from a flexed position, adduction of humerus, horizontal adduction of humerus, medial rotation of humerus |
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Pectoralis Major nerve supply
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Clavicular head - lateral pectoral nerve
Sternal head - medial pectoral nerve |
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Pectoralis Major blood supply
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Pectoral artery
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Pectoralis Minor origin
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Anterior surface of ribs 3, 4, & 5 near costal cartilages
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Pectoralis Minor insertion
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Coracoid Process of scapula on medial border of superior surface
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Pectoralis Minor action
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protraction of scapula, depression of scapula, downward rotation of scapula
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Pectoralis Minor nerve supply
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Medial pectoral nerve
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Pectoralis Minor blood supply
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Pectoral artery
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Serratus Anterior origin
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Outer surface of upper 8 ribs
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Serratus Anterior insertion
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Vertebral border of scapula on the anterior surface
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Serratus Anterior action
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protraction of scapula, upward rotation of scapula, stabilizes scapula against chest wall
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Serratus Anterior nerve supply
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Long thoracic nerve
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Serratus Anterior blood supply
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Lateral thoracic artery
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Subclavius origin
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1st rib costocartilage junction
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Subclavius insertion
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Middle third of the inferior shaft of clavicle
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Subclavius action
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Stabilizes clavicle by moving it medially
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Subclavius nerve supply
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Nerve to subclavius
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Subclavius blood supply
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Clavicular branch of thoracoacromial trunk
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