Elsevier
Respiratory Physiology and Neurobiology
,  volume 331 ,  pages 104353

The acute effect of respiratory muscle training on cortisol, testosterone, and testosterone-to-cortisol ratio in well-trained triathletes - exploratory study

Tomasz Kowalski 1
, 
Zbigniew Obmiński 2
, 
Wojciech Waleriańczyk 3
, 
Andrzej Klusiewicz 4
1
 
Department of Physiology, Institute of Sport-National Research Institute, Warsaw, Poland. Electronic address: tomasz.kowalski@insp.pl. | 
2
 
Department of Endocrinology, Institute of Sport-National Research Institute, Warsaw, Poland. | 
3
 
Department of Social Sciences, Institute of Sport-National Research Institute, Warsaw, Poland. | 
4
 
Publication type: Journal Article
Publication date: 2025-01-01
Elsevier
scimago Q2
wos Q3
SJR: 0.585
CiteScore: 4.2
Impact factor: 1.6
ISSN: 15699048, 18781519
Abstract
The study investigated acute changes in cortisol (C) and testosterone (T) associated with a popular RMT method, voluntary isocapnic hyperpnoea (VIH), in well-trained triathletes. 19 athletes (7 females, 12 males) performed a VIH training session with pre- and post- serum C and T measurements. Repeated measures ANOVA was employed to analyze hormone changes during VIH, with additional time-sex interaction. Pearson correlation coefficient has been computed to identify the relationship between hormonal changes and age, anthropometric indices, respiratory muscle strength, and training experience. There was a statistically significant effect for C changes (F = 13.101, p = 0.002, η
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Kowalski T. et al. The acute effect of respiratory muscle training on cortisol, testosterone, and testosterone-to-cortisol ratio in well-trained triathletes - exploratory study // Respiratory Physiology and Neurobiology. 2025. Vol. 331. p. 104353.
GOST all authors (up to 50) Copy
Kowalski T., Obmiński Z., Waleriańczyk W., Klusiewicz A. The acute effect of respiratory muscle training on cortisol, testosterone, and testosterone-to-cortisol ratio in well-trained triathletes - exploratory study // Respiratory Physiology and Neurobiology. 2025. Vol. 331. p. 104353.
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RIS Copy
TY - JOUR
DO - 10.1016/j.resp.2024.104353
UR - https://linkinghub.elsevier.com/retrieve/pii/S1569904824001460
TI - The acute effect of respiratory muscle training on cortisol, testosterone, and testosterone-to-cortisol ratio in well-trained triathletes - exploratory study
T2 - Respiratory Physiology and Neurobiology
AU - Kowalski, Tomasz
AU - Obmiński, Zbigniew
AU - Waleriańczyk, Wojciech
AU - Klusiewicz, Andrzej
PY - 2025
DA - 2025/01/01
PB - Elsevier
SP - 104353
VL - 331
PMID - 39299616
SN - 1569-9048
SN - 1878-1519
ER -
BibTex
Cite this
BibTex (up to 50 authors) Copy
@article{2025_Kowalski,
author = {Tomasz Kowalski and Zbigniew Obmiński and Wojciech Waleriańczyk and Andrzej Klusiewicz},
title = {The acute effect of respiratory muscle training on cortisol, testosterone, and testosterone-to-cortisol ratio in well-trained triathletes - exploratory study},
journal = {Respiratory Physiology and Neurobiology},
year = {2025},
volume = {331},
publisher = {Elsevier},
month = {jan},
url = {https://linkinghub.elsevier.com/retrieve/pii/S1569904824001460},
pages = {104353},
doi = {10.1016/j.resp.2024.104353}
}