| incoordination | Want of coordination; lack of harmonious adjustment or action. <physiology> Incoordination of muscular movement, irregularity in movements resulting from inharmonious action of the muscles in consequence of loss of voluntary control over them. Source: Websters Dictionary (01 Mar 1998) |
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| jerky nystagmus | Nystagmus in which there is a slow drift of the eyes in one direction, followed by a rapid recovery movement, always described in the direction of the recovery movement; it usually arises from labyrinthine or neurologic lesions or stimuli. (05 Mar 2000) |
| jerky respiration | The inspiratory sound being broken into two or three by silent intervals. Synonym: interrupted respiration, jerky respiration. (05 Mar 2000) |