Autor: |
Laura Oberholzer, Christoph Siebenmann, C. Jacob Mikkelsen, Nicklas Junge, Jacob F. Piil, Nathan B. Morris, Jens P. Goetze, Anne-Kristine Meinild Lundby, Lars Nybo, Carsten Lundby |
Jazyk: |
angličtina |
Rok vydání: |
2019 |
Předmět: |
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Zdroj: |
Frontiers in Physiology, Vol 10 (2019) |
Druh dokumentu: |
article |
ISSN: |
1664-042X |
DOI: |
10.3389/fphys.2019.01379 |
Popis: |
Heat acclimation is associated with plasma volume (PV) expansion that occurs within the first week of exposure. However, prolonged effects on hemoglobin mass (Hbmass) are unclear as intervention periods in previous studies have not allowed sufficient time for erythropoiesis to manifest. Therefore, Hbmass, intravascular volumes, and blood volume (BV)-regulating hormones were assessed with 5½ weeks of exercise-heat acclimation (HEAT) or matched training in cold conditions (CON) in 21 male cyclists [(mean ± SD) age: 38 ± 9 years, body weight: 80.4 ± 7.9 kg, VO2peak: 59.1 ± 5.2 ml/min/kg]. HEAT (n = 12) consisted of 1 h cycling at 60% VO2peak in 40°C for 5 days/week in addition to regular training, whereas CON (n = 9) trained exclusively in cold conditions ( |
Databáze: |
Directory of Open Access Journals |
Externí odkaz: |
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