Arm positioning alters lung volumes in subjects with COPD and healthy subjects

The Australian Journal of Physiotherapy
Zoe J McKeoughPeter T P Bye

Abstract

Subjects with chronic obstructive pulmonary disease (COPD) have difficulty performing arm exercise, particularly if the arms are unsupported and elevated. The purpose of this study was to evaluate the effect of arm position on static lung volumes in COPD and healthy subjects. Lung volumes were measured by plethysmography in nine COPD subjects (mean age +/- SD = 67.3 +/- 10.3 years; % pred FEV1 +/- SD = 39.7 +/- 10.9%) and nine healthy subjects (mean age +/- SD = 55.8 +/- 8.8 years; % pred FEV1 +/- SD = 102.9 +/- 12.2%) with the arms below 90 degrees shoulder flexion, at 90 degrees shoulder flexion and above 90 degrees shoulder flexion. In all subjects a significant increase in functional residual capacity (FRC) and reduction in inspiratory capacity (IC) was shown with arms above 90 degrees shoulder flexion when compared with both arms below 90 degrees shoulder flexion (mean increase in FRC (95% CI) was 0.17 L (0.06 to 0.27) for COPD and 0.29 L (0.11 to 0.47) for healthy subjects; mean reduction in IC (95% CI) was 0.24 L (0.1 to 0.38) for COPD and 0.45 L (0.22 to 0.68) for healthy subjects) and arms at 90 degrees shoulder flexion (mean increase in FRC (95% CI) was 0.15 L (0.01 to 0.29) for COPD and 0.22 L (0.11 to 0.34) for heal...Continue Reading

References

Mar 1, 1991·The American Review of Respiratory Disease·F J MartinezB R Celli
Nov 17, 1998·American Journal of Respiratory and Critical Care Medicine·J A AlisonP T Bye
Sep 11, 2001·American Journal of Respiratory and Critical Care Medicine·D E O'DonnellK A Webb
Jun 5, 2003·Journal of Cardiopulmonary Rehabilitation·Zoe J McKeoughPeter T P Bye

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Citations

Dec 13, 2005·Revue des maladies respiratoires·T Urban
Sep 19, 2009·Physiotherapy Research International : the Journal for Researchers and Clinicians in Physical Therapy·Alexandra RauchAlarcos Cieza
Jun 7, 2015·BMC Complementary and Alternative Medicine·Friedrich EdelhäuserDirk Cysarz
Jun 9, 2005·Respiratory Medicine·Siri SkumlienMorten Skrede Ryg
Apr 20, 2017·Respirology : Official Journal of the Asian Pacific Society of Respirology·Priscila RoblesSunita Mathur
Sep 12, 2014·Revista da Associação Médica Brasileira·Marisa IzakiJose Claudio Meneghetti
Nov 19, 2010·Medicine and Science in Sports and Exercise·Jorien D C HanninkYvonne F Heijdra
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Aug 14, 2010·Journal of Applied Physiology·P KolarA Kobesova
Oct 24, 2017·Scandinavian Journal of Medicine & Science in Sports·Ranjit K Mal
Mar 5, 2020·Jornal brasileiro de pneumologia : publicaça̋o oficial da Sociedade Brasileira de Pneumologia e Tisilogia·Vanessa Pereira LimaTania Janaudis-Ferreira
Aug 17, 2019·Respiratory Physiology & Neurobiology·Carla MalagutiLuiz Eduardo Nery

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