Term:dystonia
Origin: Anc Greek
δυσ-/dys-(=with a negative sense meaning difficult, bad, abnormal, misfortune)
> δύω/dyo(=decline) δύση/dysi(=sundown)
τόνος/tonos (=impairment of muscle tone)
> τανύω/taneo(=strain)
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| Hermann Oppenheim (1858-1919) |
Coined: in 1911 by the German neurologist Hermann Oppenheim (1858-1919) who coined the term dystonia musculorum deformans although the term “torsion dystonia” has been used before , not every patient with dystonia has torsion=twisting of an organ.
Definition:
A movement disorder characterized by involuntary sustained muscle contractions of the trunk and limbs that result in writhing or twisting movements, tremor, and abnormal posture.
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