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Ataxia (from Greek α- [a negative prefix] + -τάξις [order] = "lack of order") is a neurological sign consisting of lack of voluntary coordination of muscle movements that can include gait abnormality, speech changes, and abnormalities in eye movements, that indicates dysfunction of parts of the nervous system that coordinate movement, such as the cerebellum.
As a stand-alone condition, "ataxia is a degenerative disease of the nervous system," explains Andrew Rosen, chief executive officer of the National Ataxia Foundation. There are many types ...
Truncal ataxia (or trunk ataxia) is a wide-based "drunken sailor" gait characterised by uncertain starts and stops, lateral deviations and unequal steps. It is an instability of the trunk and often seen during sitting. [2] It is most visible when shifting position or walking heel-to-toe. [1]
Therefore, inability to walk correctly in tandem gait does not prove the presence of ataxia. [citation needed] Profoundly affected tandem gait with no other perceptible deficits is a defining feature of posterior vermal split syndrome. [1] Suspects may also be asked to perform a tandem gait walk during the "walk and turn" part of a field ...
Gait abnormality is a deviation from normal walking ().Watching a patient walk is an important part of the neurological examination. Normal gait requires that many systems, including strength, sensation and coordination, function in an integrated fashion.
Stomping gait (or sensory ataxia gait) is a form of gait abnormality. It indicates involvement of posterior column. It indicates involvement of posterior column. Posterior column carries proprioception which is essential for coordination of motor movements.
People afflicted with this disease may walk in a jerky, non-fluid manner. They will not know where their arms and legs are without looking (i.e., a failure of proprioception), but can, for instance, feel and locate a hot object placed against their feet. It is often a symptom of tabes dorsalis, which is a key finding in tertiary syphilis.
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