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10 Cards in this Set
- Front
- Back
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What is the function of the vertebral column?
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IT serves as the axial support of the body and transmits the weight of the body to the lower limbs.
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Where is the spinal column?
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It extends form the skull to the pelvis.
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What is the spine composed of before birth?
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Before birth, the spine consists fo 33 spearate bones called vertebrea, but 9 of these eventually fuse, forming the two composite bones, the sacrum, and the coccyx
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How many bones are in the vertebral column?
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24
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What are the sections of the vertebral column?
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7 are in the neck, 12 are in the thoracic vertebrae, and 5 in the lumbar vertebrae
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What are invertebral disks?
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They are single vertebrae separated by pads of flexible fibrocartilage
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What is the funciton of the invertebral disks?
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To cushion the vertebrae and absorb shock
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How are invertebral disks affected with age?
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younger kids have a higher water content-about 90%- and are spongy and compressed while elderly people's disks dry out and become less compressible
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What is a herniated disk?
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the invertebral disk dries out and presses on the spinal cord and causes extreme pain or numbness
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What is the purpose of the spinal column being in a S shape?
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to prevent shock to the head when we walk or run and make the body trunk flexible
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