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Jolly's test is a medical test used to distinguish the muscle weakness found in myasthenia gravis and Eaton-Lambert syndrome. Jolly's test is a type of electromyography which uses repeated stimulation of motor nerves to demonstrate the fatiguability found with repeated muscle contraction which is seen in myasthenia but not Eaton-Lambert syndrome.
The test is named after Friedrich Jolly.
Jolly's myasthenic reaction at Who Named It?