(chad′ŏk )

[Charles G. Chaddock, U.S. neurologist, 1861-1936]

1. Extension of the great toe when the outer edge of the dorsum of the foot is stroked. It is present in disease of the corticospinal tract.
2. Flexion of the wrist and fanning of the fingers when the tendon of the palmaris longus muscle is pressed.

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Citation

TY - ELEC T1 - Chaddock reflex ID - 738372 PB - Taber's Medical Dictionary UR - https://www.unboundmedicine.com/medline/view/Tabers-Dictionary/738372/all/Chaddock_reflex ER -