a backward swaying or falling in erect posture, seen in parkinson's disease and other neurologic disorders.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
hypsokinesis(hĭp″sō-kĭ-nē′sĭs) [″ + kinesis, movement]
A tendency to fall backward when standing or walking; seen in neurodegenerative disorders such as Parkinson's disease.
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