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Writer's cramp is a task-specific focal dystonia of the hand. [4] 'Focal' refers to the symptoms being limited to one location (the hand in this case), and 'task-specific' means that symptoms first occur only when the individual engages in a particular activity.
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 ...
Dystonia is often intensified or exacerbated by physical activity, and symptoms may progress into adjacent muscles. [ 4 ] The disorder may be hereditary or caused by other factors such as birth-related or other physical trauma , infection , poisoning (e.g., lead poisoning ) or reaction to pharmaceutical drugs , particularly neuroleptics , [ 3 ...
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 ...
The main symptom of benign fasciculation syndrome is focal or widespread involuntary muscle activity (fasciculation). [1] The benign twitches usually have a constant location. [2] Other common symptoms are generalized fatigue or weakness, paraesthesia or numbness, and muscle cramping or spasms. [1]
Ocular motor abnormalities occur early, and these are the most frequent early symptoms of AHC, particularly nystagmus. [4] [6] Almost 1/3 of people with this disorder had episodic ocular motor features within 1–2 days of birth. Many also experienced hemiplegia and dystonia before 3 months of age. [4]
FD&C Red No. 40, more commonly known as red 40, is making headlines again as lawmakers debate whether food dyes should remain legal in the United States.. The dye, which has been registered with ...
In 1964, at the age of 36, Fleisher lost the use of his right hand, due to a neurological condition that was eventually diagnosed as focal dystonia. [1] In 1967, Fleisher commenced performing and recording the left-handed repertoire while searching for a cure for his condition. His first choice was Ravel's Piano Concerto for the Left Hand. [1]