1. Extension of the great toe and abduction of the other toes instead of the normal flexion reflex to plantar stimulation,considered indicative of pyramidal tract involvement ("positive" Babinski); Syn: Babinski reflex, Babinski's phenomenon,great-toe reflex, paradoxical extensor reflex, toe phenomenon.

2. In hemiplegia, weakness of the platysma muscle on the affected side, as is evident in such actions as blowing oropening the mouth;

3. When the patient is lying upon his back, with arms crossed on the front of his chest, and attempts to assume the sittinposture, the thigh on the side of an organic paralysis is flexed and the heel raised, whereas the limb on the sound sideremains flat;

4. In hemiplegia, the forearm on the affected side turns to a pronated position when placed in a position of supination.