NeuroTeach 4 - Hoffmann reflex

Hoffmann and his Assistant!!!

“upper limb equivalent of the Babinski sign test”

- hyperreflexia

- cervical cord

2) Hoffmann's sign

“snaps the nail of the middle finger leads to flexion of the thumb and/or index” discovered by German neurologist Johann Hoffman (1857–1919), but it was described by his assistant Hans Curschmann in 1911

3) Mayer's reflex

“forceful passive flexion of the middle finger. Involuntary adduction of the thumb normally follows; absence of the reflex suggests a lesion” discovered by Austrian neuropsychiatry Carl Mayer (1862–1936)

4)  Rossolimo's hand sign

“reflex hammer, tap the palmar surface of the metacarpophalangeal joint” discovered by Russian neurologist Grigory Ivanovich Rossolimo (1860–1928)

5) Wartenberg's sign

“taps against the patient’s fingers lead to flexion of fingers and distal phalanx of the thumb” discovered by Russian neurologist Robert Wartenberg (1887–1956)

6) Chaddock's wrist sign

“Grasp the patient’s wrist, putting pressure on the palmaris longus tendon” the patient flexes the wrist and extends the fingers discovered by American neurologist Charles Gilbert Chaddock (1861–1936)

7) Gordon's extension sign

“compression of the projection of the radial side of the pisiform bone lead to fingers extension” discovered by French-American neurologist Alfred Gordon (1874–1953)

8) Hachinski's sign

“raise hands from the knees and hold them at shoulder level” upward movement of the right or left thumb discovered by Ukrainian neurologist Vladimir Hachinski (alive)

9) Vernea's and Botez's reflex

“Superficial stimulation of dorsum of fingers in patients with a grasp reflex” discovered by Romanian neurologists I. Vernea and M.I. Botez

10) Trömner's reflex

“flicks the middle finger pad leads to flexion of the thumb and/or index” discovered by German neurologist Ernst Trömner (1868–1930)

11) Wazir's sign

“extended wrist is tapped at the level of the palmaris longus” discovered by Malaysian orthopedic surgeon Wazir NN