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Questions posted in the
Neurology and Neurosurgery Forum have been answered by doctors from The Cleveland Clinic Foundation.
Question Title: Gendressic ReflexForum: Neurology Forum
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Hello, I am asking about any reference guide or seminal papers detailing the "Gendressic Maneuver" . This is the heighting of reflex responsiveness by a concurrent voluntary contraction. I assume it might be within a battery of diagnostics for movement disorders. Thankyou for any advice = I just looked in my general neurology textbook (Bradley, Daroff, Fenichel, and Marsden 2nd edition) and it wasn't helpful. Try finding a copy of a classic book on the neurologic exam by Russell DeYoung (or DeJong). The latest is the 5th edition, and it might be called "The neurologic exam" but obviously I don't have a copy in front of me. It is an impressive book. I borrowed one from a medical library once but have never owned my own copy. Perhaps the pamphlet "Aids to the examination of the peripheral nervous system" published by the Medical Research Council (memorandum #45), London, Her Majesty's Stationery Office, 1976. I have one but it's at home. If I recall correctly, it's Jendrassik, but I don't have a source in front of me. I use reflex reinforcement techniques occasionally but usually don't need to in order to answer the types of clinical questions that come up in my practice. It's not useful in movement disorders per se, but perhaps more so when distinguishing patterns of specific reflex loss seen in neuromuscular problems such as neuropathies or radiculopathies. As a subspecialty, movement disorders concerns itself less with dysfunction of the upper or lower motor neurons ("pyramidal system") but more with the workings of the motor control loops in the brain that surround this system (extra-pyramidal systems). I hope this helps. CCF MD mdf.
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