#abasia  inability to walk
  supertype:  disability_of_walking  a disability that interferes with or prevents walking
  subtype:  abasia_trepidans  abasia due to trembling of the legs
  subtype:  atactic_abasia__atacticabasia__ataxic_abasia  abasia due to ataxia of the legs
  subtype:  choreic_abasia__choreicabasia  abasia related to abnormal movements of the legs
  subtype:  paralytic_abasia__paralyticabasia  abasia related to paralysis of the leg muscles
  subtype:  paroxysmal_trepidant_abasia  abasia related to spasticity of the legs
  subtype:  spastic_abasia__spasticabasia  abasia due to spastic contractions of the leg muscles

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