Welcome to the webpages of the department of Movement Disorders Groningen for patients!
What are movement disorders?
Movement disorders are a group of neurlogical conditions that cause abnormal increased or decreased movements, which may be voluntary or involuntary. This can be expressed as follows:
- Abnormal trembling (tremor)
- Abnormally increased muscle tension and stiffness (rigidity)
- Slowing of movement (bradykinesia)
- Jerks (myoclonus)
Movement disorders are conventionally divided into two major categories: hyperkinetic and hypokinetic. Hyperkinetic movement disorders are movement disorders in which there are too many involuntary movements, for example myoclonus or tremor. With hypokinetic movement disorders people want to move, but there is not enough movement. Parkinson’s disease is the best known example of a hypokinetic movement disorder.
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