Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Breathing resistance in automated metabolic systems is high in comparison with the Douglas Bag method and previous recommendations
Mid Sweden University.
University of Southern Denmark.
Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.ORCID iD: 0000-0001-8161-5610
2017 (English)In: Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology, ISSN 1754-3371Article in journal (Refereed) Epub ahead of print
Abstract [en]

The purpose of this study was to investigate the resistance to breathing in metabolic systems used for the distribution and measurement of pulmonary gas exchange. A mechanical lung simulator was used to standardize selected air flow rates (V·, L/s). The delta pressure (?p, Pa) between the ambient air and the air inside the equipment was measured in the breathing valve?s mouthpiece adapter for four metabolic systems and four types of breathing valves. Resistance for the inspiratory and expiratory sides was calculated as RES?=?(?p/V·)?Pa/L/s. The results for resistance showed significant (p?<?0.05) between-group variance among the tested metabolic systems, breathing valves, and between most of the completed V·. The lowest resistance among the metabolic systems was found for a Douglas Bag system which had approximately half of the resistance compared to the automated metabolic systems. The automated systems were found to have higher resistance even at low V· in comparison with previous findings and recommendations. For the hardware components, the highest resistance was found for the breathing valves, while the lowest resistance was found for the hoses. The results showed that resistance in metabolic systems can be minimized through conscious choices of system design and hardware components.

Place, publisher, year, edition, pages
SAGE Publications , 2017.
National Category
Sport and Fitness Sciences
Research subject
Medicine/Technology
Identifiers
URN: urn:nbn:se:gih:diva-4994DOI: 10.1177/1754337117715946OAI: oai:DiVA.org:gih-4994DiVA: diva2:1136865
Available from: 2017-08-29 Created: 2017-08-29 Last updated: 2017-09-12Bibliographically approved

Open Access in DiVA

fulltext(971 kB)4 downloads
File information
File name FULLTEXT01.pdfFile size 971 kBChecksum SHA-512
40e89aa548d6d0acff152cb1da2472dce134793b02e0ce366412257e979bb0622972de5fb56fd11dbf8d1f4b067da0ebb52019057b244af43a83cef1aaf29afa
Type fulltextMimetype application/pdf

Other links

Publisher's full text

Search in DiVA

By author/editor
Rosdahl, Hans
By organisation
Laboratory for Biomechanics and Motor Control
In the same journal
Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology
Sport and Fitness Sciences

Search outside of DiVA

GoogleGoogle Scholar
Total: 4 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 34 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf