Dystonia is a movement neurological disorders due to chemical unbalance with resultant dysfunction in a part of the brain called Basal Ganglia. It leads to abnormal electrical input signals to the motor cortex in the brain and alters the muscle tone.
Dystonia is characterised by sustained muscle contractions, frequently causing twisting and repetitive movements or abnormal postures. The postures are typically not fixed and tend to be repetitive or patterned, consistently involving the same muscle groups. A Dystonia tremor may occur and involve the affected body past. It is jerky, irregular and typically worsens in particular positions.
Dystonia is aggravated by voluntary movement. When Dystonia is evinced by only with particular action, it is called Task Specific Dystonia such as ‘Writer’s Cramp’. Fatigue and emotional stress often exacerbate, while sleep and relaxation tends to decrease the abnormal movements. Improvement to some degree by touching is often successful in some patients (sensory tricks). Adult over Dystonia tends to be associated with disease related pain and depressive disorders.
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