Term
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Definition
| Inspiration: elevate and protract ribs |
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Term
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Definition
Costal Portion: forced expiration - depress ribs
Sternal (inter-cartilaginous) portion: aides in elevating ribs during inspiration |
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Term
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Definition
| Presumed to follow internal intercostal actions of forced expiration |
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Term
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Definition
| Depresses ribs during forced expiration |
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Term
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Definition
Contractions flatten out the usually convex structure of the diaphragm.
This increases of the volume of the thoracic cavity |
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Term
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Definition
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Term
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Definition
| Lateral flexion of trunk, rotation and compression of abdominal organs |
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Term
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Definition
| Lateral flexion of trunk, rotation and compression of abdominal orgins |
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Term
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Definition
| Lateral flexion of trunk, rotation, and compression of abdominal organs |
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Term
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Definition
| Stabilizes rib 12, extends and laterally flexes vertebral column |
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Term
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Definition
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Term
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Definition
| Weak flexor of hip and trunk ( in 50-60% of people) |
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