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Effect of Stress on Cardiorespiratory Synchronization of Ironman Athletes

Angelova, Maia, Holloway, Philip M., Shelyag, Sergiy, Rajasegarar, Sutharshan and Rauch, H. G. Laurie 2021, Effect of Stress on Cardiorespiratory Synchronization of Ironman Athletes, Frontiers in Physiology, vol. 12, pp. 1-16, doi: 10.3389/fphys.2021.612245.

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Title Effect of Stress on Cardiorespiratory Synchronization of Ironman Athletes
Author(s) Angelova, MaiaORCID iD for Angelova, Maia orcid.org/0000-0002-0931-0916
Holloway, Philip M.
Shelyag, SergiyORCID iD for Shelyag, Sergiy orcid.org/0000-0002-6436-9347
Rajasegarar, SutharshanORCID iD for Rajasegarar, Sutharshan orcid.org/0000-0002-6559-6736
Rauch, H. G. Laurie
Journal name Frontiers in Physiology
Volume number 12
Start page 1
End page 16
Total pages 16
Publisher Frontiers Media
Place of publication Lausanne, Switzerland
Publication date 2021-03-02
ISSN 1664-042X
Keyword(s) synchronization
cardiorespiratory
athletes
empirical mode decomposed
ECG
respiratory signal
Summary The aim of this paper is to investigate the cardiorespiratory synchronization in athletes subjected to extreme physical stress combined with a cognitive stress tasks. ECG and respiration were measured in 14 athletes before and after the Ironman competition. Stroop test was applied between the measurements before and after the Ironman competition to induce cognitive stress. Synchrogram and empirical mode decomposition analysis were used for the first time to investigate the effects of physical stress, induced by the Ironman competition, on the phase synchronization of the cardiac and respiratory systems of Ironman athletes before and after the competition. A cognitive stress task (Stroop test) was performed both pre- and post-Ironman event in order to prevent the athletes from cognitively controlling their breathing rates. Our analysis showed that cardiorespiratory synchronization increased post-Ironman race compared to pre-Ironman. The results suggest that the amount of stress the athletes are recovering from post-competition is greater than the effects of the Stroop test. This indicates that the recovery phase after the competition is more important for restoring and maintaining homeostasis, which could be another reason for stronger synchronization.
Language eng
DOI 10.3389/fphys.2021.612245
Indigenous content off
Field of Research 0606 Physiology
1116 Medical Physiology
1701 Psychology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2021, Angelova, Holloway, Shelyag, Rajasegarar and Rauch
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30148571

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.