Muscular hypertonia - Definition

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Muscular hypertonia is characterized by permanently increased muscular tension, even when the muscle is relaxed. Hypertonia of the pyramidal tracts results from damage to the central nervous system, sometimes accompanied by lateral hemiplegia. Extrapyramidal hypertonia is due to dysfunction in part of the nervous system not implicating the pyramidal nerve bundles, and does not cause paralysis. This is, for example, observed in Parkinson's disease. Treatment protocols must be adapted to the responsible type of muscular hypertonia, as well as its underlying cause.