hypsokinesis

hypsokinesis

 [hip″so-kĭ-ne´sis]
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.
Medical Dictionary, © 2009 Farlex and Partners