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'''Abasia''' (from [[Greek language|Greek]]: ''a-'', without and ''basis'', step) is the inability to walk due to impaired muscle coordination. The American Heritage Medical Dictionary defines '''abasia''' as "Inability to walk due to impaired muscular coordination.a" <ref>{{cite web | url = http://www.kmle.com/search.php?Search=abasia | title = KMLE Medical Dictionary Definition of abasia | author = The American Heritage Medical Dictionary}}</ref> |
'''Abasia''' (from [[Greek language|Greek]]: ''a-'', without and ''basis'', step) is the inability to walk due to impaired muscle coordination. The American Heritage Medical Dictionary defines '''abasia''' as "Inability to walk due to impaired muscular coordination.a" <ref>{{cite web | url = http://www.kmle.com/search.php?Search=abasia | title = KMLE Medical Dictionary Definition of abasia | author = The American Heritage Medical Dictionary}}</ref> |
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| + | The term literaly means that the base of [[gait (human)|gait]] (the lateral distance between the two feet) is inconstant or unmeasurable. When seen in [[conversion disorder]], the gait is bizarre and is not suggestive of a specific organic [[lesion]]: often the patient sways wildly and nearly falls, recovering at the last moment. |
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| + | However, an acquired total inability to stand and walk can be seen in true [[Neurology|neurological]] diseases, including [[stroke]], [[Parkinson disease]], damage to the [[cerebellum]], and many others. |
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The term covers a spectrum of medical disorders such as: |
The term covers a spectrum of medical disorders such as: |
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* '''spastic abasia''': caused by [[Spasticity|spastic]] stiffening of the leg muscles |
* '''spastic abasia''': caused by [[Spasticity|spastic]] stiffening of the leg muscles |
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* '''trembling abasia''': caused by [[tremor|trembling]] of the legs |
* '''trembling abasia''': caused by [[tremor|trembling]] of the legs |
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An associated term is '''dysbasia''', a partial abasia |
An associated term is '''dysbasia''', a partial abasia |
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| − | ==See also== |
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| − | * [[Astasia]] |
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Abasia (from Greek: a-, without and basis, step) is the inability to walk due to impaired muscle coordination. The American Heritage Medical Dictionary defines abasia as "Inability to walk due to impaired muscular coordination.a" [1]
The term literaly means that the base of gait (the lateral distance between the two feet) is inconstant or unmeasurable. When seen in conversion disorder, the gait is bizarre and is not suggestive of a specific organic lesion: often the patient sways wildly and nearly falls, recovering at the last moment.
However, an acquired total inability to stand and walk can be seen in true neurological diseases, including stroke, Parkinson disease, damage to the cerebellum, and many others.
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
An associated term is dysbasia, a partial abasia
Abasia is frequently accompanied by astasis, an inability to stand, the inability to maintain station (stand upright) unassisted.
References
- ↑ The American Heritage Medical Dictionary. KMLE Medical Dictionary Definition of abasia.
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