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twitching of the glutei muscles when firm pressure is made on the nates, in cases of spastic paralysis.
Synonym(s): hip phenomenon
[Alexis Joffroy, Fr. physician, 1844–1908]
Twitching of the gluteal muscles when pressure is applied to the buttocks.
Joffroy,Alexis, French physician, 1844-1908.
Joffroy reflex - twitching of the gluteal muscles when firm pressure is made on the buttocks, in cases of spastic paralysis. Synonym(s): hip phenomenon
Joffroy sign - immobility of the facial muscles when the eyeballs are rolled upward, in exophthalmic goiter; disorder of the arithmetical faculty in the early stages of organic brain disease.