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Inspiratory muscle training on lung function of male roller hockey players: a randomized controlled trial pilot study. | LitMetric
Background : There is evidence that inspiratory muscle training (IMT) increases the athlete's performance by decreasing the work of the respiratory muscles during exercise. IMT has shown positive results in the pulmonary function of athletes, and it was hypothesized that 4 weeks of intervention could increase lung function at rest. Investigate the influence of IMT on lung function of male roller hockey players.Methods : Eleven male roller hockey players were randomized and allocated in the experimental group (EG) or control group (CG). Forced expiratory volume in first second, forced vital capacity, and peak expiratory flow (PEF) were assessed with spirometry, in the beginning of the study and 4 weeks later. The EG (n = 6) was submitted to an IMT using a threshold during 4 weeks, 3 times a week, 30 repetitions with 50% of maximal inspiratory pressure. The CG (n = 5) was not submitted to any intervention.Results : Baseline pulmonary variables, forced expiratory volume in first second, forced vital capacity, and PEF, sociodemographic, and anthropometric characteristics were not significantly different among EG and CG. Significant increase on PEF ( = .033) was found in the EG after IMT.Conclusion : IMT with threshold seems to have a positive impact on PEF in roller hockey players. These findings may be corroborated by further controlled randomized studies.
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