Document Detail

Evidence for freely chosen pedalling rate during submaximal cycling to be a robust innate voluntary motor rhythm.
MedLine Citation:
PMID:  18071679     Owner:  NLM     Status:  MEDLINE    
Freely chosen pedalling rate during cycling represents a voluntary rhythmic movement. It is unclear to what extent this is influenced by internal (e.g. loading on the cardiopulmonary system) and external (e.g. mechanical loading) conditions. It is also unclear just how robust a voluntary motor rhythm, the freely chosen pedalling rate, actually is. The present study investigated (N = 8) whether or not the freely chosen pedalling rate during submaximal cycling was affected by separate increases in loading on the cardiopulmonary system (changed by exposure to acute simulated altitude of 3,000 m above sea level) and mechanical loading (changed by exposure to increased power output and thereby pedal force). We also investigated (N = 7) whether or not the freely chosen pedalling rate and another voluntary motor rhythm, unimanual unloaded index finger tapping rate, shared common characteristics of steadiness and individuality over a 12-week period. Results showed that the freely chosen pedalling rate was unaffected by increased loading on the cardiopulmonary system at constant mechanical loading, and vice versa. Further, the pedalling rate was steady in the longitudinal perspective (as was the tapping rate), and like tapping rate, pedalling rate was highly individual. In total this indicated that freely chosen pedalling rate primarily is a robust innate voluntary motor rhythm, likely under primary influence of central pattern generators that again are minimally affected by internal and external conditions during submaximal cycling.
Ernst Albin Hansen; Ann Elisabeth Ohnstad
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Publication Detail:
Type:  Journal Article     Date:  2007-12-11
Journal Detail:
Title:  Experimental brain research     Volume:  186     ISSN:  1432-1106     ISO Abbreviation:  Exp Brain Res     Publication Date:  2008 Apr 
Date Detail:
Created Date:  2008-03-21     Completed Date:  2008-08-01     Revised Date:  2013-12-13    
Medline Journal Info:
Nlm Unique ID:  0043312     Medline TA:  Exp Brain Res     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  365-73     Citation Subset:  IM    
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MeSH Terms
Choice Behavior*
Exercise Test
Functional Laterality
Heart Rate / physiology*
Motor Activity / physiology*
Oxygen Consumption*
Physical Endurance
Physical Exertion
Respiratory Physiological Phenomena*

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

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