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33 Cards in this Set
- Front
- Back
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scalenes origin
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transverse and costal process of cervial vertebrae
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scalenes insertion
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supeior surfaces of first two ribs
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scalenes action
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elevate ribs or flex neck
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external intercostals origin
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inferior corder of each rib
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external intercostals insertion
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superior border of more inferior rib
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external intercostals action
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elevate ribs
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internal intercostals origin
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superior border of each rib
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internal intercostals insertion
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inferior border of the preceeding rib
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internal intercostals action
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depress ribs
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tranversus thoracis origin
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posterior surface of sternum
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transversus thoracis insertion
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cartilages of ribs
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transversus thoracis action
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depress ribs
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serratus posterior superior origin
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spinous processes of C7-T3 and ligamentum nuchae
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serratus posterior superior insertion
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superior border of ribs 2-5 near angles
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serratus posterior superior action
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elevates ribs, englarges thoracic cavity
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serratus posterior inferior origin
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aponeurosis from spinour processes of T10-L3
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serratus posterior inferior insertion
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inferior boarders of ribs 8-12
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serratus posterior inferior action
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pulls ribs inferiorly; also pulls outward, opposing diaphragm
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external oblique origin
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external and inferior borders of ribs 5-12
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external oblique insertion
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linea alba and iliac crest
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external oblique action
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compress abdomen, depresses ribs, flexes or bend spine
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internal oblique origin
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thoracolumbar fascia and iliac crest
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internal oblique insertion
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inferior ribs, xiphoid process, and linea alba
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internal oblique action
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compresses abdomen, depresses ribs, flexes or bends the spine
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transversus abdominis origin
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cartilages of ribs 6-12, iliac crest, and thoracolumbar fascia
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transversus abdominis insertion
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linea alba and pubis
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transversus abdominis action
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compresses abdomen
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diaphragm origin
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xiphoid process, cartilages of ribs 4-10, and anterior surfaces of lumbar vertebrae
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diaphragm insertion
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central tendinous sheet
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diaphragm action
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contraction expands thoracic cavity
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rectus abdominis origin
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superior surface of pubis around symphysis
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rectus abdominis insertion
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inferior surfaces of costal cartilages (rib 5-7) and xiphoid process
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rectus abdominis action
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depresses ribs, flexes vertebral column, compresses abdomen
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