Document Detail


Regulation of breathing during exercise.
MedLine Citation:
PMID:  2205209     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This paper reviewed in short neural and humoral factors which might be responsible for inducing exercise hyperpnea. As one of the neural factors afferent signals which arise in the exercising limbs and are transmitted via group III or IV high threshold sensory fibres were involved. The other neural factor is command signals originating in the central nervous system and being fed onto the respiratory center. Hypothalamic locomotor region is assumed to be a possible locus to integrate these peripheral and central neural signals. There are enough evidences to believe that humoral factors mediated via cardiac output is also essential for the hyperpnea. Changes in VCO2 is well correlated with those of VE in dynamic as well as in steady-state response. Oscillations in PaCO2 can be assumed to play a role to link metabolic CO2 changes to those in ventilation. Thus, no single factor can explain the whole process of exercise hyperpnea. Poon's optimization model may give a key to integrate complicated and coflicting experimental results in a unique concept.
Authors:
Y Miyamoto
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  The Annals of physiological anthropology = Seiri Jinruigaku Kenkyūkai kaishi     Volume:  9     ISSN:  0287-8429     ISO Abbreviation:  Ann Physiol Anthropol     Publication Date:  1990 Apr 
Date Detail:
Created Date:  1990-10-19     Completed Date:  1990-10-19     Revised Date:  2006-02-27    
Medline Journal Info:
Nlm Unique ID:  8506625     Medline TA:  Ann Physiol Anthropol     Country:  JAPAN    
Other Details:
Languages:  eng     Pagination:  133-8     Citation Subset:  IM; S    
Affiliation:
Department of Information Engineering, Faculty of Engineering, Yamagata University, Yonezawa, Japan.
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MeSH Terms
Descriptor/Qualifier:
Exercise / physiology*
Humans
Respiration / physiology*

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


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