Medical term:

astasia-abasia

astasia

[as-ta´zhah]

motor incoordination with inability to stand. adj., adj astat´ic.

astasia-aba´sia motor incoordination with an inability to stand or walk despite normal ability to move the legs when sitting or lying down, a form of hysterical ataxia.

a·sta·si·a-a·ba·si·a

(ă-stā'zē-ă-ă-bā'zē-ă),

The inability to either stand or walk in a normal manner; the gait is bizarre and is not suggestive of a specific organic lesion; often the patient sways wildly and nearly falls, but recovers at the last moment; a symptom of hysteria-conversion reaction.

Synonym(s): Blocq disease

Farlex Partner Medical Dictionary © Farlex 2012

astasia-abasia

The inability to stand or walk despite possessing good motor strength and conserved voluntary coordination. Symptomatic astasia-abasia has been associated with lesions affecting the pontomesencephalic region, thalamus, corpus callosum, or cingulate cortex.
Aetiology Usually psychogenic, less commonly organic (e.g., alcohol-induced).
Pathogenesis Uncertain; organic (i.e., not psychogenic) astasia-abasia has been linked to hyperperfusion (by SPECT) of the mesencephalic and subthalamic locomotor regions of the dorsal brainstem and subthalamus, and abnormal neural activity.

a·sta·si·a-a·ba·si·a

(ă-stā'zē-ă-ă-bā'zē-ă)

Inability to stand or walk in a normal manner; the gait is bizarre and often the patient sways and nearly falls, but recovers at the last moment; a symptom of hysteria-conversion reaction.
Synonym(s): Blocq disease.

Blocq,

Paul O., French physician, 1860-1896.

Blocq disease - the inability to either stand or walk in the normal manner. Synonym(s): astasia-abasia

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