Abasia

Abasia
Differential diagnosis	Choreic 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.

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

• Aboulia
• Astasia
• Paul Oscar Blocq

Further reading

• Reber, Arthur S.; Reber, Emily S. (2001). The Penguin dictionary of psychology (3 ed.). London: Penguin Books. ISBN 9780140514513.
• Ropper, Allan H.; Samuels, Martin A. (2019). Adams and Victor's Principles of Neurology (11 ed.). New York: McGraw-Hill Medical. ISBN 9780071842624.
• Braunwald, Eugene (2005). "Cardinal Manifestations and Presentation of Diseases". Harrison's principles of internal medicine (16 ed.). McGraw-Hill. ISBN 9780071391405.