Chronic Exposure to Normobaric Hypoxia Increases Testosterone Levels and Testosterone/Cortisol Ratio in Cyclists
Bibliographic Data
| ID | 15511157 |
|---|---|
| Authors | Miłośz Czuba (0000-0002-8322-2279, Akademii Wychowania Fizycznego im. Jerzego Kukuczki w Katowicach), Kamila Płoszczyca (0000-0003-3516-9124, Instytut Sportu, corresponding author), Katarzyna Kaczmarczyk (0000-0002-5725-0655, Józef Piłsudski University of Physical Education in Warsaw), Józef Langfort (0000-0001-5710-5100, Akademii Wychowania Fizycznego im. Jerzego Kukuczki w Katowicach), Robert Gajda (0000-0002-8305-8130, Jan Długosz University) |
| Year | 2022 |
| Volume | 19 |
| Issue | 9 |
| Pages | 5246-5246 |
| Publication date | 2022-04-26 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | International Journal of Environmental Research and Public Health (JOURNAL) |
| Journal identifiers | ISSN: 1661-7827 • E-ISSN: 1660-4601 |
| Publisher | Multidisciplinary Digital Publishing Institute (PUBLISHER • CH) |
| DOI | 10.3390/ijerph19095246 |
| PMID | 35564640 |
| OpenAlex | W4224989607 |
| Language | EN |
| References cited | 56 |
The aim of this study was to analyze the effects of the “live high, train low” method (LH−TL) and intermittent hypoxic training (IHT) on testosterone (T) and cortisol (C) levels in cyclists. Thirty cyclists participated in the experiment. The LH−TL group (n = 10) was exposed to normobaric hypoxia (FiO2 = 16.3%) for 11−12 h a day and trained in normoxia for 3 weeks. In the IHT group (n = 10), participants followed the IHT routine three times a week for 3 weeks in normobaric hypoxia (FiO2 = 16.3%). The control group (N; n = 10) followed the same training protocol in normoxia. The LH−TL training was found to significantly increase (p < 0.05) T levels and the testosterone/cortisol (T/C) ratio during the experiment. The area under the curve (AUC) calculated for T levels over 4 weeks was significantly (p < 0.05) higher in the LH−TL group, by 25.6%, compared to the N group. The results also indicated a significant correlation (r = 0.53; p < 0.05) between AUC for T levels over 4 weeks and ∆ values of hemoglobin (HGB) in the LH−TL group. Overall, the findings show that LH−TL training at a moderate simulated altitude contributes to an increase in T levels and T/C ratio in athletes, which is a beneficial change stimulating anabolic processes and erythropoiesis
Anabolism · Androgen · Free testosterone · Hormone · Hypoxia (environmental · Oxygen · Sex hormone-binding globulin · Testosterone (patch · Cardiovascular and Diving-Related Complications · Chemistry · High Altitude and Hypoxia · Medicine · Neuroscience of respiration and sleep · Endocrinology · Internal Medicine
| Citation velocity | historical |
|---|---|
| Highly cited | No |