Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector7826510.17816/kazmj78265Research ArticleMaterials on the Grossman pain-finger reflexSukhovA. A.info@eco-vector.com151019262210116911701808202118082021Copyright © 1926, Sukhov A.A.1926<p>I.B. Grossman described a new pathological reflex, which he called finger pain reflex. This phenomenon is as follows: strong, almost painful, pressing of a nail phalanx of a patient's big toe causes plantar flexion of all other toes; the same pressing of nail phalanges of all other toes gives prolonged sharp extensia (dorsal) of the big toe. Grossman's reflex was observed by him in organic diseases of the nervous system, developing mainly in affection of lateral columns.</p>Kazan Medical archiveКазанский медицинский архив