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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 result of this gait impairment, falling is a concern in patients with ataxia. [3] Truncal ataxia affects the muscles closer to the body such as the trunk, shoulder girdle and hip girdle. It is involved in gait stability. [3] Truncal ataxia is different from appendicular ataxia. Appendicular ataxia affects the movements of the arms and legs.
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 ...
Persons who have been diagnosed with autosomal dominant spinocerebellar ataxia (SCAs) also exhibit dysmetria. [4] There are many types of SCAs and though many exhibit similar symptoms (one being dysmetria), they are considered to be heterogeneous. [4] Friedreich's ataxia is a relatively common cause of dysmetria. [5]
Multiple system atrophy (MSA) is a rare neurodegenerative disorder [1] characterized by tremors, slow movement, muscle rigidity, postural instability (collectively known as parkinsonism), autonomic dysfunction and ataxia.
cerebellar ataxia, both truncal and appendicular; aphasia (a language disorder in which there is an impairment of speech and of comprehension of speech, caused by brain damage) mutism (a language disorder in which a person does not speak despite evidence of speech ability in the past, often part of a larger neurological or psychiatric disorder)
Appendicular ataxia results in jerky, uncoordinated movements of the limbs, as if each muscle were working independently from the others. Truncal ataxia results in postural instability; gait instability is manifested as a disorderly, wide-based gait with inconsistent foot positioning. Ataxia causes the observation that drunk people are clumsy ...
On Jan. 8, Designated Survivor actor Adan Canto died at age 42.The cause of death was appendiceal cancer, a rare disease that occurs when a tumor forms in the appendix.According to the Cleveland ...
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