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13 Cards in this Set
- Front
- Back
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primary curve |
thoracic and sacral kyphosis |
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secondary curve |
lumbar and cervical lordosis |
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the number of vertebrae and intervertebral discs |
29 and 23 (none above axis and in sacram) |
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movement of spine |
triaxial: flex&ex, lateral flex & ext, right&left rotation |
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why maintain curves |
shock absorption and reduction of injury |
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On the articular processes, there are facet joints which are (type of joints) |
planar and synovial; nonaxial and gliding |
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the specific direction that the facets face determines 2 things |
the direction of movement and stability |
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major weight bearing structure of the vertebrae |
anterior vertebral body |
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each vertebra consisis of two parts |
anterior body and posterior arch |
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functions of vertebral discs (5) |
1 bind vertebrae 2 allow motion 3 absorb shock 4 distribute load between segments 5 contribute to formation of spine curves which absorb shock |
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structure of vertebral disc |
annulus fibrosis and nucleus pulposus (water + collgen + proteoglycans) |
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function of proteoglycans |
maintain water content of disc |
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ligaments of spine (6) |
anterior longtudinal ligament posterior longtudinal ligament ligamentum flavum interspinous ligament supraspinous ligament intertransverse ligament |
