Effect of Various Hydration Strategies on Work Intensity and Selected Physiological Indices in Young Male Athletes during Prolonged Physical Exercise at High Ambient Temperatures
Background: In high temperatures, adequate hydration is vital for sustained physical exercise. This study explores the effect of three hydration strategies on physiological indices and work intensity. Methods: The research involved 12 healthy males who engaged in three test series, each separated by a one-week interval. During the trials, participants underwent a 120 min cycling session in a thermal climate chamber (temperature: 31 ± 2 °C, humidity: 60 ± 3%, air movement: <1 m/s). Measurements of rectal temperature (Tre) and heart rate (HR), and assessment of subjective workload perception, and thermal comfort were made both before and during the exercise. The computation of the physical strain index (PSI) relied on Tre and HR values. Three hydration strategies (isotonic drink, water, and no hydration) were administered before, during, and after the exercise. Results: Regardless of the hydration strategy, the participants' mean body mass decreased as a result of the exercise. Statistically significant differences in HR were observed between the no-hydration and water groups (p < 0.036). The mean PSI values significantly varied between hydration strategies, with the no hydration group exhibiting a higher PSI compared to the isotonic drink or water groups (p < 0.001). Conclusions: All hydration strategies contribute to thermoregulatory processes and mitigate the rise in internal body temperature during sustained physical exercise in elevated ambient temperatures.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:13 |
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| Enthalten in: |
Journal of clinical medicine - 13(2024), 4 vom: 08. Feb. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Pałka, Tomasz [VerfasserIn] |
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| Links: |
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| Themen: |
Ambient temperature |
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| Anmerkungen: |
Date Revised 27.02.2024 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3390/jcm13040982 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM36888273X |
|---|
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| 520 | |a Background: In high temperatures, adequate hydration is vital for sustained physical exercise. This study explores the effect of three hydration strategies on physiological indices and work intensity. Methods: The research involved 12 healthy males who engaged in three test series, each separated by a one-week interval. During the trials, participants underwent a 120 min cycling session in a thermal climate chamber (temperature: 31 ± 2 °C, humidity: 60 ± 3%, air movement: <1 m/s). Measurements of rectal temperature (Tre) and heart rate (HR), and assessment of subjective workload perception, and thermal comfort were made both before and during the exercise. The computation of the physical strain index (PSI) relied on Tre and HR values. Three hydration strategies (isotonic drink, water, and no hydration) were administered before, during, and after the exercise. Results: Regardless of the hydration strategy, the participants' mean body mass decreased as a result of the exercise. Statistically significant differences in HR were observed between the no-hydration and water groups (p < 0.036). The mean PSI values significantly varied between hydration strategies, with the no hydration group exhibiting a higher PSI compared to the isotonic drink or water groups (p < 0.001). Conclusions: All hydration strategies contribute to thermoregulatory processes and mitigate the rise in internal body temperature during sustained physical exercise in elevated ambient temperatures | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a ambient temperature | |
| 650 | 4 | |a hydration | |
| 650 | 4 | |a physical exercise | |
| 650 | 4 | |a thermoregulation | |
| 700 | 1 | |a Rydzik, Łukasz |e verfasserin |4 aut | |
| 700 | 1 | |a Koteja, Piotr Michał |e verfasserin |4 aut | |
| 700 | 1 | |a Piotrowska, Anna |e verfasserin |4 aut | |
| 700 | 1 | |a Bagińska, Małgorzata |e verfasserin |4 aut | |
| 700 | 1 | |a Ambroży, Tadeusz |e verfasserin |4 aut | |
| 700 | 1 | |a Angelova-Igova, Boryana |e verfasserin |4 aut | |
| 700 | 1 | |a Javdaneh, Norollah |e verfasserin |4 aut | |
| 700 | 1 | |a Wiecha, Szczepan |e verfasserin |4 aut | |
| 700 | 1 | |a Filip-Stachnik, Aleksandra |e verfasserin |4 aut | |
| 700 | 1 | |a Tota, Łukasz |e verfasserin |4 aut | |
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