Response [to the Chiappa et al letter to the editor]

Letter

Johnson, Michael A., Mills, Dean E., Brown, Peter I. and Sharpe, Graham R.. 2013. "Response [to the Chiappa et al letter to the editor]." Medicine and Science in Sports and Exercise. 45 (1), pp. 214-215. https://doi.org/10.1249/MSS.0b013e31826aade2
Article Title

Response [to the Chiappa et al letter to the editor]

ERA Journal ID9788
Article CategoryLetter
AuthorsJohnson, Michael A. (Author), Mills, Dean E. (Author), Brown, Peter I. (Author) and Sharpe, Graham R. (Author)
Journal TitleMedicine and Science in Sports and Exercise
Journal Citation45 (1), pp. 214-215
Number of Pages2
Year2013
PublisherLippincott Williams & Wilkins
Place of PublicationUnited States
ISSN0195-9131
1530-0315
Digital Object Identifier (DOI)https://doi.org/10.1249/MSS.0b013e31826aade2
Web Address (URL)http://journals.lww.com/acsm-msse/Fulltext/2013/01000/RESPONSE.30.aspx
Abstract

We thank Chiappa et al. (4,5) for commending our work (2,3,7), which we reciprocate in light of their thought provoking research that sparked the ensuing trans-Atlantic debate on the effects of inspiratory muscle loading on lactate clearance after exercise. Specifically, despite using similar methodologies, Chiappa et al. (4,5) have twice shown accelerated lactate clearance with inspiratory loading, whereas we have twice shown no effect (2,7). We hypothesized that these discrepancies may be due to interstudy differences in participant endurance training status, as evidenced by higher V˙O2peak and faster blood lactate recovery kinetics in our participants. We were thus intrigued by the authors’ unpublished data showing, in sedentary individuals, no effect of inspiratory loading on lactate clearance. In their accompanying figure, the authors also present novel data showing a significant correlation between maximal inspiratory pressure (MIP) and changes in the area under the blood [Laj] curve with inspiratory loading. This observation informed their hypothesis that the efficacy of inspiratory loading is influenced by inspiratory muscle mass rather than training status.

KeywordsBicycling; Humans; Lactic Acid; Male; Rest
ANZSRC Field of Research 2020420702. Exercise physiology
Public Notes

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Byline AffiliationsNottingham Trent University, United Kingdom
University of Derby, United Kingdom
Institution of OriginUniversity of Southern Queensland
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