Document Detail


Relationship of periodic movements in sleep (nocturnal myoclonus) and the Babinski sign.
MedLine Citation:
PMID:  3876585     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To obtain a comprehensive clinical description of periodic movements in sleep, the first 11 videotaped movements of nine patients were studied. These leg movements were characterized by active dorsiflexion of the ankle (91%), dorsiflexion and fanning of the small toes (82%), and dorsiflexion of the great toe (72%). Partial flexion of the knee and hip occurred in 28%. Simultaneous dorsiflexion of the ankle and small toe was almost always the initial change, either preceding or occurring simultaneously with extension of the great toe. Knee and hip flexion almost always followed foot movements. Tonic and/or clonic movements, usually about the ankle, occurred in 75%; plantar flexion of the ankle occurred in 21% at the end of a leg movement. Periodic movements in sleep were thus characterized on detailed videographic analysis by movements similar to the Babinski response. Since both the normally occurring nocturnal Babinski response and periodic movements in sleep are also almost entirely NREM related, the author proposes that periodic movements in sleep are due to the NREM loss of supraspinal inhibitory influences on the pyramidal tract and that the characteristic foot and leg movements are Babinski-type responses secondary to this.
Authors:
R C Smith
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Sleep     Volume:  8     ISSN:  0161-8105     ISO Abbreviation:  Sleep     Publication Date:  1985  
Date Detail:
Created Date:  1985-10-31     Completed Date:  1985-10-31     Revised Date:  2009-01-29    
Medline Journal Info:
Nlm Unique ID:  7809084     Medline TA:  Sleep     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  239-43     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Adult
Female
Foot / physiopathology
Humans
Leg / physiopathology*
Male
Middle Aged
Myoclonus / diagnosis,  physiopathology*
Reflex, Abnormal*
Reflex, Babinski*
Sleep / physiology
Sleep, REM / physiology
Videotape Recording

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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