Babinski sign

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Ba·bin·ski sign

(bă-bin'skē),
1. extension of the great toe and abduction of the other toes instead of the normal flexion reflex to plantar stimulation, considered indicative of corticospinal tract involvement ("positive" Babinski); Synonym(s): Babinski phenomenon, Babinski reflex, great-toe reflex, paradoxic extensor reflex, toe phenomenon
2. in hemiplegia, weakness of the platysma muscle on the affected side, as is evident in such actions as blowing or opening the mouth;
3. when the patient is lying supine, with arms crossed on the front of the chest, and attempts to assume the sitting posture, the thigh on the side of an organic paralysis is flexed and the heel raised, whereas the limb on the sound side remains flat;
4. in hemiplegia, the forearm on the affected side turns to a pronated position when placed in a position of supination.

Babinski sign

A reflex movement of the big toe upward instead of downward when the plantar aspect of the foot is stroked, a manoeuvre used to test injury to, or diseases of, the upper motor neurons.

Babinski sign

Babinski's reflex, plantar reflex Neurology A reflex movement of the big toe upward instead of downward when the plantar aspect of the foot is stroked, a maneuver used to test injury to, or diseases of, the upper motor neurons

Ba·bin·ski sign

(bă-bin'skē sīn)
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);
Synonym(s): Babinski phenomenon, paradoxic extensor reflex.
2. In hemiplegia, weakness of the platysma muscle on the affected side, as is evident in such actions as blowing or opening the mouth.
3. When the patient is lying supine with arms crossed on the front of the chest, and attempts to assume the sitting posture, the thigh on the side of an organic paralysis is flexed and the heel raised, whereas the limb on the sound side remains flat.
4. In hemiplegia, the forearm on the affected side turns to a pronated position when placed in a position of supination.

Babinski,

Joseph François Félix, French neurologist, 1857-1932.
Babinski-Nageotte syndrome - brain lesions resulting in Horner syndrome.
Babinski phenomenon - Synonym(s): Babinski sign (1)
Babinski reflex - Synonym(s): Babinski sign (1)
Babinski sign - (1) extension of the great toe and abduction of the other toes instead of normal flexion reflex to plantar stimulation. Synonym(s): Babinski phenomenon; Babinski reflex; Babinski test; - (2) in hemiplegia, weakness of platysma muscle on affected side. - (3) when patient is in supine position with hands crossed on chest and attempts to sit up, the thigh on the side of an organic paralysis is flexed and heel raised, whereas unaffected side remains flat; - (4) in hemiplegia, the forearm on the affected side turns to a pronated position when placed in a position of supination.
Babinski syndrome - the combination of cardiac, arterial, and central nervous system manifestations of tertiary syphilis.
Babinski test - Synonym(s): Babinski sign (1)