Three Hertz postural leg tremor impairs posture maintenance in multiple system atrophy-cerebellar type.

Yuzhou Wang,Churong Liu,Gengmao Ma,Xiao Lv,Xiaodi Li

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology（2023）

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摘要

The observed synchronized changes in medium and high-frequency postural sway indicate that they constitute a complete hip strategy for posture control. The strategy was rigid in those with spinocerebellar ataxia but completely disrupted in those with multiple system atrophy. Three Hertz postural leg tremors destabilize the ankle joints and interfere with postural adjustment among those with multiple system atrophy.

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关键词

Multiple system atrophy, Spinocerebellar ataxia, Static posturography, Postural tremor, Hip strategy

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