Document Detail

Physical exercise and time of day: influences on spontaneous motor tempo.
MedLine Citation:
PMID:  12509204     Owner:  NLM     Status:  MEDLINE    
To identify whether spontaneous motor rhythm is influenced by external or internal events and whether this rhythm fluctuates across the day in parallel with heart rate diurnal variations, we simultaneously recorded heart rate and spontaneous motor rate before and after a pedaling task performed five times a day by 10 healthy human subjects. Each subject performed a Spontaneous Motor Tempo, i.e., a finger-tapping task, at a comfortable and spontaneous cadence. Pre- and postexercise Spontaneous Motor Tempo was measured as well as heart rate. There were diurnal variations in Spontaneous Motor Tempo. Both measures increased significantly after pedaling, suggesting that cardiac and spontaneous rhythms are influenced simultaneously after a moderate exercise. Also, finger-taps occurred most frequently around the initiation of the heart systole. These results suggest that a putative internal clock might regulate Spontaneous Motor Tempo and that cardiac rhythm might influence this tempo.
Fabrice Dosseville; Sebastien Moussay; Jacques Larue; Antoine Gauthier; Damien Davenne
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Perceptual and motor skills     Volume:  95     ISSN:  0031-5125     ISO Abbreviation:  Percept Mot Skills     Publication Date:  2002 Dec 
Date Detail:
Created Date:  2003-01-01     Completed Date:  2003-04-07     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0401131     Medline TA:  Percept Mot Skills     Country:  United States    
Other Details:
Languages:  eng     Pagination:  965-72     Citation Subset:  IM    
UFR STAPS de Caen, Université de Caen Basse-Normandie, Neurosciences de l'Homme en Mouvement, Centre de Recherche en Activités Physiques et Sportives UPRES EA 2131, France.
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MeSH Terms
Circadian Rhythm*
Exercise / psychology*
Heart Rate*
Motor Activity*
Reaction Time

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

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