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9 Cards in this Set
- Front
- Back
True vs False ribs |
7 true ribs - connect to sternum through own costal cartilage
5 false ribs - 8,9, and 10 attach to costal cartilage of rib above. 11 and 12 "floating ribs". |
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Parts of sternum |
Manubrium (handle) - attaches to clavicles and 1st costal cartilage, demi facets for 2nd costal cartilage
Sternal angle (of Louis) - articulation of manubrium and body
Body - T5-9, develops from 4 sternebrae
Xiphoid - T10, ossifies in middle age |
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Openings at top and bottom of rib cage |
Thoracic aperatures |
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Thoracic outlet syndrome |
Compression of brachial plexus and/or subclavian artery by injury or C7 thoracic vertebrae or other cause. Can cause digital necrosis (lack of blood flow and thrombus formation. |
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Pectus Carnatum |
"pigeon chest', sternum protrudes outward because ribs are bent outward. Can have surgery to correct by removing costal cartilage and allowing it to reform |
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Pectus Excavatum |
"stove in chest", sternum pushed inward by ribs bent inward. Can be corrected through surgery to remove costal cartilage. |
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Joints of the thorax |
Costovertebral (head of rib joints), synovial
Costochondral (rib -> CC), not synovial
Interchondral (7,8,9th CC, costal margin, synovial)
Sternocostal (1st is fibrocartilaginous, 2-7 synovial) |
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Serratus posterior |
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Costal muscles, blood supply, and innervation |
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