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Related to hyperkinesis: hyperkinesia


Excessive and usually uncontrollable muscle movement.



excessive, violent, involuntary movements that occur in cases of organic and functional disturbances of the nervous system. Hyperkinesia usually accompanies disturbances of the cerebral cortex, subcortical motor centers, or truncal part of the brain. Types of hyperkinesia include athetosis, chorea, Parkinson’s disease, and myoclonia (brief jerking of a muscle or muscle bundle with a lightning-fast pace of contraction).

References in periodicals archive ?
It is usually discontinued after a time with no ill effects, once the child has learned to adjust to its hyperkinesis.
Results of an epidemiological study of 50 hyperactive children suggest that insufficient copper nutriture may contribute to hyperkinesis.
The left ventriculogram revealed marked hypokinesis and ballooning of the apex, with hyperkinesis of the base.
3,7) The ventriculogram demonstrates ventricular asynergy with hypokinesis or akinesis from the midportion of the ventricle to the apex, and hyperkinesis of the base.
Important to note, Loney's aggression factor, derived from the Abbreviated Hyperkinesis Index (Conners, 1973), includes five items that correspond to DSM-III-R symptoms for oppositional defiant disorder: acts smart (impudent or sassy); temper outbursts; quarrelsome; openly defies authority; and uncooperative with teacher.
Barkley (1977) used the labels hyperactivity and hyperkinesis without further description of the disorder; Whalen and Henker (1976) used the label hyperactivity (but pointed out that this was an "unfortunate misnomer" because inattention, impulsivity, and emotional lability accompany high activity levels); and Adelman and Compas (1977) used the term learning problems (but emphasized the multiple labels used in the literature they reviewed).
Catheterization did not reveal any obstructive coronary disease; however, ventriculography demonstrated an abnormal left ventricle with basilar hyperkinesis and apical hypokinesis.
This hyperkinesis was manifested as tail and body twitching and was monitored over a 3-min interval.
A 2D-Echo showed hyperkinesis and normal wall motion.
Common manifestations of Thyrotoxicosis Symptoms Signs Heat intolerance Goiter Excessive sweating Hyperkinesis Palpitations Hyperreflexia Hyperdefecation Tachycardia Hyperphagia Lid retraction Nervousness Lid lag Weakness Ophthalmopathy Weight loss Dermopathy Onycholysis Velvety skin Tremor Warm, moist palms Gynecomastia Proximal muscle weakness TABLE 3.