Week # 3 Lumbar, Sacrum, And Coccyx
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| What are the largest vertebrae? | lumbar
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| What holds most the body's weight and which vertbrae is the largest? | lumbar spine; L5
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| How is the intervertebral foramina best demonstrated on the lumbar spine? | 90 degrees (true lat)
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| What forms the intervertebral foramina? | superior and inferior vertebral notches (space between two pedicles when stacked)
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| What forms the zygapophyseal joints? | SAPS & IAPS
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| Where do the zygo's lie to MSP? | 30-50 degress
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| For radiography what will best demonstrate the zygo's? | 45 degree oblique
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| The upper lumbar vertebrae lie at a ____ degree and the lower lumbar lie at a ____ degree. | 30; 50
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| What is the pars interarticularis? | the portion of the lamina between the superior and inferior articulating processes
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| How many "sets" (pairs) of sacral foramina are there on the sacrum? | 4
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| Where are the alae or wings located? | lateral to the first sacral segment
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| The 2 SAPS of the sacrum articulate with the IAPS of the 5th lumbar vertebrae to from what joint? | zygo
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| Where is the sacral promontory? | the anterior ridge of the first sacral segment
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| The sacral canal lies posterior to the body of the ________; this is continuation of _______. | first sacral segement; spinal canal
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| What is the median sacral crest formed by? | fusion of the spinous processes
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| At what surface does the sacrum articulate with the ilium at? | auricular surface
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| What represents the IAPS for the 5th sacral segment? | sacral horns or cornau
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| Where does the sacral horns articulate with? | cornau of the coccyx
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| Each SI joint opens obliquely posteriorly at an angle of _____; and which side does it show? | 30 degrees; upside
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| Where is the base of the coccyx? | superior
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| Where is the apex of the coccyx? | inferior
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| The base has 2 _____ _____ projecting laterally. | transverse processes
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| To visualize the scotty dog what degrees is the pt? | 45 degrees
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| What are the scotty dogs neck? | pars interarticularis
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| What are the scotty dogs ears? | SAPS
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| What are the scotty dogs eyes? | pedicle
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| What are the scotty dogs nose? | transverse process
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| What are the scotty dogs front leg? | IAPS
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| What lumbar vertebrae should u see good scotty dogs? | L2-L4
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| Which way does the dog face? | downside
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| The leg of the superior dog and the ear of the inferior dog form the _______. | zygo joint
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| What is the clasification and mobilty type for zygo joints? | synovial and diarthrodial
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| What is the classification of intervertebral joints? | cartilaginous and amhithrodial (slightly moveable)
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| In the L-spine intervertebral foramina are visualized on what? | 90 degree true lateral
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| In the L-spine the zygo's are best visualized on what? | Obliques
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| Anterior obliques show the _____. | upside joints
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| Posterior obliques show the ______. | downside joints
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| At what degree do u do a general lumbar oblique? | 45
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| What degree oblique to best visualize L1-L2? | 50 degrees
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| What degree oblique to best visualize L5-S1? | 30 degrees
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| Why is the L1 shot 50 degrees? | It is closer to thoracic vertebrae that require a 70 - 75 degree oblique.
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| What positioning landmark is at the level of mid coccyx? | pubic symphysis
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| ASIS is the same level as the ____ or ____ sacral segment. | 1st; 2nd
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| What level is iliac crest? | L4-L5
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| What level is the lower costal margin? | L2-L3
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| Who should u always shield while doing a L-spine? | males
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| Why flex kness on an AP L-spine? | brings spine closer to Ir and Lumbar column more parallel to the table top.
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| What is the advantage of doing an L-spine PA vs AP? | lower dose to female ovaries and place intervertebral disk more parallel with the divergence of the beam.
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| What is the dis-advantage of doing an L-spine PA vs AP? | large OID of vertebrae
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Created by:
miss4o7
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