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

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. ISSN 1569-9048.

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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

Item Type: Article
Uncontrolled Keywords: Chronic disease; obesity; physical activity; respiratory disorders
Subjects: G Geography. Anthropology. Recreation > GV Recreation Leisure > GV0558 Sports science
Divisions: Faculty of Social and Applied Sciences > School of Human and Life Sciences
Depositing User: Andrew Edwards
Date Deposited: 21 Aug 2018 13:10
Last Modified: 06 Sep 2018 12:30
URI: https://create.canterbury.ac.uk/id/eprint/17529

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Last edited: 29/06/2016 12:23:00