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Dysdiadochokinesia (DDK) is the medical term for an impaired ability to perform rapid, alternating movements (i.e., diadochokinesia). Complete inability is called adiadochokinesia. The term is from Greek δυς dys "bad", διάδοχος diadochos "working in turn", κίνησις kinesis "movement". [2]
SARA is a shorter exam, evaluated on a scale of 0 to 40, where again zero is normal function and 40 is highest possible impairment. It comprises eight tests: gait, stance, finger chase, finger-to-nose test, fast alternating hand movements, heel-shin slide, and three limb kinectic function tests. [49]
Ataxia (from Greek α- [a negative prefix] + -τάξις [order] = "lack of order") is a neurological sign consisting of lack of voluntary coordination of muscle movements that can include gait abnormality, speech changes, and abnormalities in eye movements, that indicates dysfunction of parts of the nervous system that coordinate movement, such as the cerebellum.
Many clinical tests may be employed to test for such disturbances. [3] Alternating movements: Patient is told e.g. to pronate and supinate their hands in rapid succession, holding forearms vertically. In cerebellar diseases, the movements are irregular and inaccurate; in case of the pyramidal tract lesion the motion may be slowed or incomplete.
Dystonia is a neurological hyperkinetic movement disorder in which sustained or repetitive muscle contractions occur involuntarily, resulting in twisting and repetitive movements or abnormal fixed postures. [3] The movements may resemble a tremor. Dystonia is often intensified or exacerbated by physical activity, and symptoms may progress into ...
A person with saccadic dysmetria will constantly produce abnormal eye movements including microsaccades, ocular flutter, and square wave jerks even when the eye is at rest. [5] During eye movements hypometric and hypermetric saccades will occur and interruption and slowing of normal saccadic movement is common. [5]
Movement Disorders [5] ICD-9-CM ICD-10-CM Hypokinetic Movement disorders Poliomyelitis, [6] acute 045 A80 Amyotrophic lateral sclerosis, ALS [6] (Lou Gehrig's disease) 335.20 G12.21 Parkinson's disease (Primary or Idiopathic Parkinsonism) 332 G20 Secondary Parkinsonism: G21 Parkinson plus syndromes: Pantothenate kinase-associated ...
The rapid eye movements that some Glut 1 patients exhibit are rapid, multidirectional, and there is often a head movement in the same direction as the eye movement. [11] These abnormal eye movements were recently named aberrant gaze saccades. [11] Hemiplegia or alternating intermittent hemiplegia may occur in some patients and mimic stroke-like ...