The effects of inspiratory muscle warm-up prior to inspiratory muscle training during pulmonary rehabilitation in subjects with chronic obstructive pulmonary disease: a randomized trial

While a whole-body warm-up may not adequately prepare the inspiratory muscles for exercise, inspiratory warm-up is an effective approach in preparing the inspiratory muscles for exertion. To investigate the effects of inspiratory muscle warm-up performed prior to inspiratory muscle training (IMT) du...

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Published in:Physiotherapy theory and practice 2024-01, p.1-11
Main Authors: Aktan, Rıdvan, Özalevli, Sevgi, Yakut, Hazal, Özgen Alpaydin, Aylin
Format: Article
Language:English
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Summary:While a whole-body warm-up may not adequately prepare the inspiratory muscles for exercise, inspiratory warm-up is an effective approach in preparing the inspiratory muscles for exertion. To investigate the effects of inspiratory muscle warm-up performed prior to inspiratory muscle training (IMT) during pulmonary rehabilitation (PR) in patients with moderate-to-severe chronic obstructive pulmonary disease (COPD) and inspiratory muscle weakness. Pulmonary function tests, maximal inspiratory and expiratory pressures (MIP and MEP), 6-minute walk test distance (6MWD), modified Medical Research Council Dyspnea Scale(mMRC), St. George's respiratory questionnaire and the 36-item short-form health survey were evaluated. Both groups performed IMT during PR for 8 weeks. The warm-up group (n = 15), in addition to the standard IMT group (n = 15), performed an inspiratory muscle warm-up protocol before each IMT session. At the end of the 8-week intervention, improvements in dyspnea (mMRC in score, =0.033, effect size =0.76); exercise capacity (6MWD in meters, =0.001, effect size =1.30); pulmonary function [forced expiratory volume in 1 second (FEV ) in %predicted, =0.006, effect size =1.10]; and inspiratory muscle strength (MIP in cmH O, =0.001, effect siz e = 1.35) were significantly greater in the warm-up group. Moreover, there were significant improvements in health-related quality of life (HRQoL) sub-scores after the training in both groups (
ISSN:0959-3985
1532-5040
DOI:10.1080/09593985.2023.2301439