Definition

Noun: * Inability to stand due to muscular incoordination: A medical condition characterized by the loss of the ability to stand upright, despite having normal muscle strength when lying down. The difficulty arises from a failure of muscular coordination rather than from paralysis or weakness.

Usage

• "Astasia" is a specialized medical term used primarily in clinical and neurological contexts.
• It is often paired with "abasia" (inability to walk) in the compound term astasia-abasia, which describes a conversion disorder where a patient cannot stand or walk normally, despite having no identifiable physical cause.
• It is not used in everyday conversation.

Examples

• The patient's primary symptom was astasia; she could move her legs freely while seated but collapsed immediately upon trying to stand.
• The neurological examination aimed to determine if the astasia was due to cerebellar dysfunction or a psychogenic cause.

Advanced Usage

• Astasia-abasia (or abasia-astasia): A psychogenic gait disorder, also known as "Blocq's disease," where the inability to stand (astasia) and walk (abasia) occurs in the absence of a neurological lesion. It is typically classified as a conversion disorder.
  • Example: The psychiatrist diagnosed the patient's peculiar, staggering gait as a case of astasia-abasia.

Variants and Related Words

• Abasia (n): Inability to walk due to impaired motor coordination.
• Ataxia (n): Lack of muscle coordination during voluntary movements, such as walking or picking up objects, which is a broader term that can encompass astasia.

Synonyms

• (There are no direct common-language synonyms. In medical contexts, it may be described as):
  • Standing incapacity
  • Postural instability (though this is a broader, less specific term)

Antonyms

• Orthostasis (the ability to stand upright)
• Stability (in a postural sense)

Noun

1. inability to stand due to muscular incoordination