University of Worcester Worcester Research and Publications

The Influence of Inspiratory and Expiratory Muscle Training Upon Rowing Performance

Griffiths, Lisa ORCID: and McConnell, A.K. (2007) The Influence of Inspiratory and Expiratory Muscle Training Upon Rowing Performance. European Journal of Applied Physiology, 99 (5). pp. 457-466. ISSN 1439-6319

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We investigated the effect of 4 week of inspiratory (IMT) or expiratory muscle training (EMT), as well as the effect of a subsequent 6 week period of combined IMT/EMT on rowing performance in club-level oarsmen. Seventeen male rowers were allocated to either an IMT (n = 10) or EMT (n = 7) group. The groups underwent a 4 week IMT or EMT program; after interim testing, both groups subsequently performed a 6 week program of combined IMT/EMT. Exercise performance and physiological responses to exercise were measured at 4 and 10 week during an incremental rowing ergometer ‘step-test’ and a 6 min all-out (6MAO) effort. Pressure threshold
respiratory muscle training was undertaken at the 30 repetition maximum load (~50% of the peak inspiratory and expiratory mouth pressure, PImax or PEmax,respectively). PImax increased during the IMT phase of the training in the IMT group (26%, P < 0.001) and was accompanied by an improvement in mean power during the 6MAO (2.7%, P = 0.015). Despite an increase in PEmax by the end of the intervention (31%, P = 0.03), the EMT group showed no significant changes in any performance parameters during either the ‘step-test’ or 6MAO. There were no significant
changes in breathing pattern or the metabolic response
to the 6MAO test in either group, but the IMT group showed a small decrease in HR (2–5%, P = 0.001). We conclude that there were no significant additional changes following combined IMT/EMT. IMT improved rowing performance, but EMT and subsequent combined IMT/EMT did not.

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Uncontrolled Discrete Keywords: Respiratory muscle training, Performance enhancement
Subjects: Q Science > QP Physiology
Divisions: College of Business, Psychology and Sport > School of Sport and Exercise Science
Depositing User: Lisa Griffiths
Date Deposited: 28 Jun 2013 08:28
Last Modified: 17 Jun 2020 16:56

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