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12 Cards in this Set
- Front
- Back
inability to coordinate voluntary muscle movements; unsteady movements and staggering gait.
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ataxia
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an inability to perform rapid, alternating movements
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Dysdiadochokinesia-
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a lack of coordination of movement typified by the undershoot and/or overshoot of intended position
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Dysmetria (difficult to measure)-
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Failure of muscles to work in unison leading to ataxias
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Dyssynergia-
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Singsong intonation in which vowels are abnormally prolonged
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Scanning speech-
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A tremor which arises or which is intensified when a voluntary, coordinated movement is attempted and intensifies when you come close to your target.
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Terminal intension tremor-
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Tottering side to side; staggering
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Truncal titubation-
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use the the heel-to-shin test, eyes open.
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if pt fails -- sensory ataxia (dorsal coloumn lesion)
if pt does it well, cerebellum ok. used to test for dysmetria in the lower limb. |
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The finger to finger or finger to nose tests
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intention tremor
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alternating between the back and palm of the hand
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Dysdiadochokinesia
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Tumor Occurrence
Vestibulocerebellum-based Wide –based stance Gait Equilbrium problems |
Medulloblastoma
in the region of nodulus/vermis (flocculonodular lobe) or roof of 4th ventricle, resulting in dilated lateral and 3rd ventricles 1st signs- headache, vomiting, and ataxia with stumbling gait and frequent unexplained falls. |
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a disorder characterized by degeneration of dorsal root ganglia neurons and spinocerebellar projection cells.
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Friedreich’s ataxia-
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