Cerebellar hypermetria associated with a selective decrease in the rate of rise of antagonist activity.
case_series · Level IV
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- Record sourced from PubMed, PMID 8967761.
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Abstract
Classically, cerebellar hypermetria observed during fast and accurate movements is ascribed to a delayed onset of the electromyographic activity of the antagonist muscle. We describe here 3 patients presenting a late-onset cerebellar degeneration and exhibiting a hypermetria during their fast and accurate movements in spite of a normal onset latency of the antagonist activity. Hypermetria was found to be due to a slower rate of rise of the antagonist activity.
Medical subject headings
- Cerebellar Diseases
- Movement
- Movement Disorders
- Muscles