Judged: two independent readers; copy check clear.
astasia
astasia Astasia is a historical term for a form of static ataxia: an unsteadiness in maintaining a position rather than in making a movement.
Astasia is a historical term for a form of static ataxia: an unsteadiness in maintaining a position rather than in making a movement. In this source, it refers specifically to inability to hold the arm extended steadily.