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The Effect of Inspiratory Muscle Training on Duchenne Muscular Dystrophy

A Meta-analysis

Williamson, Elizabeth PT, PhD; Pederson, Natalie PT, DPT; Rawson, Hannah PT, DPT; Daniel, Todd PhD

doi: 10.1097/PEP.0000000000000648
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Purpose: This study reports the respiratory muscle training effect on strength and endurance in individuals with Duchenne muscular dystrophy.

Methods: Articles published from 1984 to 2017 were reviewed. Six articles met the inclusion criteria that included within-subject control or between-subject control group, participants with a diagnosis of only Duchenne muscular dystrophy, participation in respiratory muscle training intervention, and outcome measures of endurance and strength. Effect sizes were calculated for each study and overall, weighted mean effect sizes for strength and endurance outcome measures.

Results: There was a large effect for improving respiratory endurance and a moderate effect for muscle strength. However, these effects were not significant.

Conclusion: Findings justify further exploration of the potential benefits of respiratory muscle training for individuals with Duchenne muscular dystrophy.

This study reports the respiratory muscle training effect on strength and endurance in individuals with Duchenne muscular dystrophy.

Department of Physical Therapy (Dr Williamson), Missouri State University, Springfield, Missouri; St Luke's East Outpatient Rehabilitation (Dr Pederson), Lee Summit, Missouri; Kansas City Orthopedic Institute (Dr Rawson), Kansas City, Missouri; Research by Design, LLC (Dr Daniel), Springfield, Missouri.

Correspondence: Elizabeth Williamson, PT, PhD, Department of Physical Therapy, Missouri State University, 901 S. National Ave, Springfield, MO 65802 (ewilliamson@missouristate.edu).

Natalie Pederson and Hannah Rawson completed the initial work as students in the Department of Physical Therapy at Missouri State University, Springfield, Missouri.

Supplemental digital content is available for this article. Direct URL citation appears in the printed text and is provided in the HTML and PDF versions of this article on the journal's Web site (www.pedpt.com)

The authors declare no conflicts of interest.

Copyright © 2019 Academy of Pediatric Physical Therapy of the American Physical Therapy Association