Term
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Definition
Xiphoid process of sternum, ribs, and costal cartilages 7-12, lumbar vertebrae |
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Term
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Definition
Central tendon of diaphragm |
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Term
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Definition
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Term
External intercostals - Origin |
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Definition
Inferior margins of R1 - R11 |
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Term
External intercostals - Insertion |
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Definition
Superior margin of next lower rib |
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Term
External intercostals - Action |
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Definition
Elevate, protract R2 - R12 |
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Term
Internal intercostals - Origin |
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Definition
Superior margins and costal cartilages of R2 - R12; Margin of sternum |
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Term
Internal intercostals - Insertion |
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Definition
Inferior margin of next higher rib |
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Term
Internal intercostals - Action |
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Definition
Depress, retract R1 - R11 |
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