Information on Dystonia
Dystonia is a certain type of neurological movementdisorder. It can easily be characterized by involuntary muscle contractionswhich affect certain parts of the body and often involve abnormal and painfulpostures and movements. It may affect virtually any part of the body but themost commonly affected parts of the body include vocal cords, face, eyelids, neck,trunk, legs and arms. Dystonia is not a life threatening medical condition butit is chronic in nature and it is difficult to predict its course anddevelopment. It is actually among the most common types of movement disorders,and it may affect people from all ethnic groups and races.
Age of Onset
Dystonia may occur in childhood, adolescence or adulthood soit actually affects people from all different age groups. Dystonia whichaffects children is in most cases considered as an inherited defect. Age ofonset is actually the factor which is commonly used to determine the chance forfurther progression of the medical condition.
Body Distribution of Symptoms
As mentioned earlier, dystonia may affect all differentparts of the body. Hemi dystonia is the term used for dystonia which affectseither the right side or the left side of the body. Generalized dystonia is aterm used for the medical condition which affects several body areas on bothsides of the body. Multi focal dystopia is the term used for the conditionwhich affects two or even more different areas of the body which are notadjacent. Segmental dystonia is the termused for the certain type of this medical condition which is known foraffecting at least two areas of the body which are adjacent. Focal dystonia isthe most common type of dystonia and it is known for affecting only one area ofthe body.
The different causes of dystonia divide this medicalcondition into two distinct categories and those are primary dystonia andsecondary dystonia. Primary dystonia is the type of condition which is notassociated with any other underlying medical condition. This category can befurther divided into hereditary and sporadic form of dystonia. Secondarydystonia may sometimes be symptomatic and it can be associated with causes suchas stroke, toxins, trauma or birth injury.
There is another fact worth mentioning. Dystonia maysometimes cause certain breathing difficulties in some cases. This occurs whenthe condition affects the vocal cords of the patient.