Chaddock reflex

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Chaddock reflex is a diagnostic reflex similar to the Babinski sign. It is designed to identify lesions of the pyramidal tract, via stimulation of the skin over the lateral malleolus.

It was identified by Charles Gilbert Chaddock in 1911.^[1]

References

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Eponymous medical signs for nervous system

Head, general	Battle's sign Broca aphasia Kernig's sign Macewen's sign Myerson's sign Stroop test Wada test Dix-Hallpike test Hirano body
Multiple sclerosis	Dawson's fingers Lhermitte's sign Charcot's neurologic triad Uhthoff's phenomenon
Other	Romberg's test increased intracranial pressure Cushing's triad Miller Fisher test

Reflexes of extremities/
corticospinal tract

Combination	Jendrassik maneuver
Lower limb	Babinski sign Chaddock reflex Oppenheim's sign Westphal's sign
Upper limb	Hoffmann's sign

Other torso/limbs

Upper limb	Froment's sign carpal tunnel syndrome Tinel sign Phalen maneuver
Lower limb	Abadie's sign of tabes dorsalis Gowers' sign Hoover's sign Lasègue's sign Trendelenburg's sign
Torso	Beevor's sign
General	Todd's paresis Jolly's test

v t e Index of the central nervous system
Description	Anatomy meninges cortex association fibers commissural fibers lateral ventricles basal ganglia diencephalon mesencephalon pons cerebellum medulla spinal cord tracts Physiology neutrotransmission enzymes intermediates Development
Disease	Addiction Cerebral palsy Meningitis Demyelinating diseases Seizures and epilepsy Headache Stroke Sleep Congenital Injury Neoplasms and cancer Other paralytic syndromes ALS Symptoms and signs head and neck eponymous lesions Tests CSF
Treatment	Procedures Drugs general anesthetics analgesics dependence epilepsy cholinergics migraine Parkinson's vertigo other

v t e Index of the peripheral nervous system
Description	Anatomy Nerves cranial trigeminal cervical brachial lumbosacral plexus somatosensory spinal autonomic Physiology reflexes proteins neurotransmitters transporters Development neurotrophins
Disease	Autonomic Congenital Injury Neoplasms and cancer Other Symptoms and signs eponymous
Treatment	Procedures Local anesthetics

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