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14 Cards in this Set
- Front
- Back
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External intercostals
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elevate ribs
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Internal intercostals
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depress ribs
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Innermost intercostals
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elevate ribs
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Transverse thoracic
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depress ribs
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Subcostal
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elevate ribs
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Pectoralis major
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flex., add. & med. rotate humerus; draws scapula ant. & inf.
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Pectoralis minor
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stabilizes scapula by drawing it inf. & ant.
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Serratus anterior
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protracts scapula: holds it against thoracic wall: rot. scapula
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External oblique
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flex. & contralateral rot. trunk; compress & support abdominal viscera
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Internal oblique
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flex. & ipsilateral rot. trunk: compress & support abdominal viscera
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Transverse abdominal
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compresses & supports abdominal viscera
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Rectus abdominis
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flexes trunk & compresses abdominal viscera
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Pyramidalis
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tenses linea alba
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Quadratus lumborum
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ext. & lat. flex verterbral column; fixes rib 12 during inspiration
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