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  2. Dystonia - Wikipedia

    en.wikipedia.org/wiki/Dystonia

    Primary dystonia is suspected when the dystonia is the only sign and there is no identifiable cause or structural abnormality in the central nervous system. Researchers suspect it is caused by a pathology of the central nervous system , likely originating in those parts of the brain concerned with motor function—such as the basal ganglia and ...

  3. Focal dystonia - Wikipedia

    en.wikipedia.org/wiki/Focal_dystonia

    For example, in focal hand dystonia, or writer's cramp, the fingers either curl into the palm or extend outward without control. In musicians, the condition is called musician's focal dystonia, or simply, musician's dystonia. In sports, it may be involved in what is commonly referred to as the yips. The condition appears to be associated with ...

  4. Extrapyramidal symptoms - Wikipedia

    en.wikipedia.org/wiki/Extrapyramidal_symptoms

    Since it is difficult to measure extrapyramidal symptoms, rating scales are commonly used to assess the severity of movement disorders. The Simpson-Angus Scale (SAS), Barnes Akathisia Rating Scale (BARS), Abnormal Involuntary Movement Scale (AIMS), and Extrapyramidal Symptom Rating Scale (ESRS) are rating scales frequently used for such assessment and are not weighted for diagnostic purposes ...

  5. Dystonia is a disorder that causes repetitive involuntary ...

    www.aol.com/news/dystonia-disorder-causes...

    Dystonia is a disorder of involuntary muscle contractions that may cause repetitive and/or abnormal movement or postures. Dystonia is a disorder that causes repetitive involuntary muscle movements ...

  6. Torsion dystonia - Wikipedia

    en.wikipedia.org/wiki/Torsion_dystonia

    Spasmodic dysphonia: A dystonia of the vocal cords. The complications surrounding this form of dystonia are speech related and can cause symptoms such as speech that wavers, speech that sounds like a whisper, or speech that is hesitant. Writer's cramp (occupational dystonia): A dystonia that affects the muscles of the hand and forearm. It is ...

  7. Writer's cramp - Wikipedia

    en.wikipedia.org/wiki/Writer's_cramp

    Writer's cramp or focal hand dystonia (FHD) is an idiopathic movement disorder of adult onset, characterized by abnormal posturing and movement of the hand and/or forearm during tasks requiring skilled hand use, such as writing.

  8. RFK Jr. speaks candidly about his gravelly voice: 'If I could ...

    www.aol.com/news/rfk-jr-speaks-candidly-gravelly...

    The disorder, also known as laryngeal dystonia, hits women more often than men. ... Because of this, and the fact that it makes some people sound like they are on the verge of tears, some doctors ...

  9. Spasmodic torticollis - Wikipedia

    en.wikipedia.org/wiki/Spasmodic_torticollis

    Spasmodic torticollis is one of the most common forms of dystonia seen in neurology clinics, occurring in approximately 0.390% of the United States population in 2007 (390 per 100,000). [3] Worldwide, it has been reported that the incidence rate of spasmodic torticollis is at least 1.2 per 100,000 person years, [ 27 ] and a prevalence rate of ...

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