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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 ...
It is characterized by sudden, transient, involuntary movements, often including repetitive twisting motions and painful posturing triggered by exercise or other physical exertion. [2] The term paroxysmal indicates that the episodes are sudden and short lived and usually unpredicted, and return to normal is rapid. [ 2 ]
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 ...
This is an extremely rare type of paroxysmal dyskinesia characterized by sudden, involuntary, dystonic movements, often including repetitive twisting motions and painful posturing. The attacks are triggered by exercise and other physical exertion, and usually last from minutes to an hour.
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.
Obstructed labour, also known as labour dystocia, is the baby not exiting the pelvis because it is physically blocked during childbirth although the uterus contracts normally. [2]
Abnormal posturing is an involuntary flexion or extension of the arms and legs, indicating severe brain injury.It occurs when one set of muscles becomes incapacitated while the opposing set is not, and an external stimulus such as pain causes the working set of muscles to contract. [1]
Juvenile-onset dystonia is a disorder in which the muscles involuntarily contract, which in turn cause involuntary movements and rather abnormal postures. [1] Symptoms of this disorder vary among the people who have it.