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  • Repeated-Sprint Cycling Does Not Induce Respiratory Muscle Fatigue in Active Adults: Measurements from The Powerbreathe® Inspiratory Muscle Trainer

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    Author
    Minahan, Clare
    Sheehan, Beth
    Doutreband, Rachel
    Kirkwood, Thomas
    Reeves, Daniel
    Cross, Troy
    Year published
    2015
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    Abstract
    This study examined respiratory muscle strength using the POWERbreathenspiratory muscle trainer (i.e., 'S-Index') before and after repeated-sprint cycling for comparison with maximal inspiratory pressure (MIP) values obtained during a Mueller maneuver. The S-Index was measured during six trials across two sessions using the POWERbreathend MIP was measured during three trials in a single session using a custom-made manometer in seven recreationally active adults. Global respiratory muscle strength was measured using both devices before and after the performance of sixteen, 6-s sprints on a cycle ergometer. Intraclass ...
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    This study examined respiratory muscle strength using the POWERbreathenspiratory muscle trainer (i.e., 'S-Index') before and after repeated-sprint cycling for comparison with maximal inspiratory pressure (MIP) values obtained during a Mueller maneuver. The S-Index was measured during six trials across two sessions using the POWERbreathend MIP was measured during three trials in a single session using a custom-made manometer in seven recreationally active adults. Global respiratory muscle strength was measured using both devices before and after the performance of sixteen, 6-s sprints on a cycle ergometer. Intraclass correlation coefficients for the POWERbreathe-index indicated excellent (p < 0.05) trial-to-trial (r = 0.87) and day-to-day (r = 0.90) reliability yet there was no significant correlation (r = -0.35, p = 0.43) between the S-Index measured using the POWERbreathend MIP measured during a Mueller maneuver. Repeated-sprint cycling had no effect on respiratory muscle strength as measured by the POW-ERbreathep > 0.99) and during the Mueller maneuver (p > 0.99). The POWERbreathe-Index is a moderately reliable, but not equivalent, measure of MIP determined during a Mueller maneuver. Furthermore, repeated-sprint cycling does not induce globalized respiratory muscle fatigue in recreationally-active adults.
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    Journal Title
    Journal of Sports Science and Medicine
    Volume
    14
    Issue
    1
    Publisher URI
    http://www.jssm.org/abstresearcha.php?id=jssm-14-233.xml
    Copyright Statement
    © 2015 JSSM. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Sports Medicine
    Publication URI
    http://hdl.handle.net/10072/70161
    Collection
    • Journal articles

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