Document Detail

Effects of ventilation on body sway during human standing.
MedLine Citation:
PMID:  15265579     Owner:  NLM     Status:  MEDLINE    
Body sway was studied in standing with eyes closed during quiet breathing and apnoea. The hypothesis was that absence of ventilation improved balance. Performance and control of balance were assessed by centre of gravity and centre of pressure motions respectively. Eight healthy male subjects participated in the study. The analysis was performed for the first 20s when no activity of the diaphragm and no force variation at thoracic and abdominal levels were observed in apnoea condition. Performance and control were significantly improved in apnoea from 17 to 26% for the planar parameters; this improvement was only observed along the medio-lateral axis (around 34%), probably due to upper body asymmetry and diminution of the number of degrees of freedom that can be mobilised along this axis. In conclusion, ventilation in quiet breathing is a perturbing factor in human standing.
Olivier Caron; Pierre Fontanari; Jacques Cremieux; Fabrice Joulia
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Neuroscience letters     Volume:  366     ISSN:  0304-3940     ISO Abbreviation:  Neurosci. Lett.     Publication Date:  2004 Aug 
Date Detail:
Created Date:  2004-07-21     Completed Date:  2004-08-26     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  7600130     Medline TA:  Neurosci Lett     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  6-9     Citation Subset:  IM    
Laboratoire Ergonomie, Sport et Performance, Université de Toulon et du Var, UFR-STAPS, Av. de l'Université, BP 132M 83957 La Garde Cedex, France.
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MeSH Terms
Postural Balance
Posture / physiology*
Pulmonary Ventilation*

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

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