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Differential diagnosisChoreic abasia, paralytic abasia, spastic abasia, trembling abasia

Abasia (from Greek: a-, without and basis, step) is the inability to walk owing to impairment in motor coordination.[1]

The term covers a spectrum of medical disorders such as:

  • choreic abasia: caused by chorea of the legs
  • paralytic abasia: caused by paralysis of the leg muscles
  • spastic abasia: caused by spastic stiffening of the leg muscles
  • trembling abasia: caused by trembling of the legs

Abasia is frequently accompanied by astasis, an inability to stand, see Astasia-abasia.

See also[edit]


  1. ^ "Abasia Definition & Meaning". Merriam-Webster Medical. Retrieved 2022-07-12.

Further reading[edit]