Ballism
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
Ballism is a condition characterized by involuntary, rhythmic movements of the upper limb that resemble throwing motions. It is observed in organic diseases of the nervous system and is classified by some authors as a form of chorea.
Encyclopedia entry (1928–1936)
BALLISM (from the Greek ballo—I throw), involuntary, uniform-rhythmic movements of the upper limb, resembling throwing motions. They are observed in organic diseases of the nervous system. By some authors, they are classified as chorea.
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Cite this page
“Ballism.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/ballism/