- A dictionary of medical eponyms

Grasset-Gaussel sign I

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A sign of upper motor neurone involvement. A patient with hemiparesis lying on his back can raise either leg separately but cannot raise them together. If the paralysed leg is raised it will fall when the unaffected leg is passively raised.


  • J. Grasset:
    Diagnostic des maladies de la moƫlle. Paris, 1899.

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