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The Chaddock reflex is a diagnostic reflex similar to the Babinski reflex. Chaddock's sign is present when stroking of the lateral malleolus causes extension of the great toe, indicating damage to the corticospinal tract. It was identified by Charles Gilbert Chaddock in From Wikipedia, the free encyclopedia. Chaddock reflex Differential diagnosis corticospinal tract damage The Chaddock reflex is a diagnostic reflex similar to the Babinski reflex.
Retrieved 24 May Seminars in neurology. Eponymous medical signs for nervous system. Dawson's fingers Lhermitte's sign Charcot's neurologic triad Uhthoff's phenomenon. Romberg's test increased intracranial pressure Cushing's triad Miller Fisher test. Jendrassik maneuver. Babinski sign Chaddock reflex Oppenheim's sign Westphal's sign. Hoffmann's sign. Froment's sign carpal tunnel syndrome Tinel sign Phalen maneuver.
Babinski reflex is one of the normal reflexes in infants. Reflexes are responses that occur when the body receives a certain stimulus. The Babinski reflex occurs after the sole of the foot has been firmly stroked. The big toe then moves upward or toward the top surface of the foot.
Hoffmann's reflex Hoffmann's sign , sometimes simply " Hoffmann's ", also finger flexor reflex  is a neurological examination finding elicited by a reflex test which can help verify the presence or absence of issues arising from the corticospinal tract. It is named after neurologist Johann Hoffmann. The Hoffmann's reflex test itself involves loosely holding the middle finger and flicking the fingernail downward, allowing the middle finger to flick upward reflexively. A positive response is seen when there is flexion and adduction of the thumb on the same hand. In cerebellar diseases, the reflexes may be pendular , and muscle contraction and relaxation tend to be slow, but these are not sensitive or specific to cerebellar signs.
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