Efficacy of inspiratory muscle training as a practical and minimally intrusive technique to aid functional fitness among adults with obesity

Journal article

Edwards, A., Graham, D., Bloxham, S. and Maguire, G. 2016. Efficacy of inspiratory muscle training as a practical and minimally intrusive technique to aid functional fitness among adults with obesity. Respiratory Physiology & Neurobiology. 234, pp. 85-88. https://doi.org/10.1016/j.resp.2016.09.007
AuthorsEdwards, A., Graham, D., Bloxham, S. and Maguire, G.
Abstract

Objective:
To examine the efficacy of inspiratory muscle training (IMT) as a non-intrusive and practical intervention to stimulate improved functional fitness in adults with obesity. As excess adiposity of the chest impedes the mechanics of breathing, targeted re-training of the inspiratory muscles may ameliorate sensations of breathlessness, improve physical performance and lead to greater engagement in physical activity.

Methods:
Sixty seven adults (BMI=36±6.5) were randomized into either an experimental (EXP: n=35) or placebo (PLA: n=32) group with both groups undertaking a 4-week IMT intervention, comprising daily use of a inspiratory resistance device set to 55% (EXP), or 10% (PLA) of maximum inspiratory effort.

Results:
Inspiratory muscle strength was significantly improved in EXP (19.1 cmH20 gain; P<0.01) but did not change in PLA. Additionally, the post training walking distance covered was significantly extended for EXP (P<0.01), but not for PLA. Bivariate analysis demonstrated a positive association between the change (%) of performance in the walking test and BMI (r=0.78; P<0.01) for EXP.

Conclusion:
The findings from this study suggest IMT provides a practical, self-administered intervention for use in a home setting. This could be a useful strategy to improve the functional fitness of obese adults and perhaps lead to better preparedness for engagement in physical activity initiatives

KeywordsChronic disease; obesity; physical activity; respiratory disorders
Year2016
JournalRespiratory Physiology & Neurobiology
Journal citation234, pp. 85-88
PublisherElsevier
ISSN1569-9048
Digital Object Identifier (DOI)https://doi.org/10.1016/j.resp.2016.09.007
Official URLhttp://doi.org/10.1016/j.resp.2016.09.007
Related URLhttps://marjon.repository.guildhe.ac.uk/10227/
Publication dates
Online13 Sep 2016
Publication process dates
Deposited21 Aug 2018
Accepted12 Sep 2016
Accepted author manuscript
Output statusPublished
Additional information

This item meets OA compliance via another HEI: https://marjon.repository.guildhe.ac.uk/10227/

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