How much Fluid Loss and Urine Density Caused by Aerobic Exercise and Sauna in Tennis Players? A Descriptive Study
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Date
2021-01
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International Journal of Life Science and Pharma Research
Abstract
The aims of the study were to determine the amount of fluid loss with aerobic exercise and sauna protocols, and to compare the change in urine density in the same amount of fluid lost with aerobic exercise and sauna. Thirty-five tennis players (mean age: 24.36 ± 4.03 years R=18-32) training 3 hours/day, 2 times/week (mean training age: 4.07±1.43 years (R=2-6 years) participated voluntarily. Method: Body weight by using a scale and height by using a stadiometer were used to measure. Küçükkubaş, (2007) and Siri Formula (1956) were used to determine body density and body fat percentage respectively. Bruce protocol was used to determine Maximal Oxygen Consumption (VO2max) for calculation of the intensity from VO2max by using the Karvonen method on the first day with controlled hydration status of the athletes to be hydrated. Firstly, at the predetermined %60 of VO2max for 6x15 min (8 minutes rest interval) on the treadmill with a total of 90 minutes of running exercise were applied. Secondly, 48 hours later, the amount of fluid and body weight lost during aerobic exercise was also made lost in sauna protocol and urine density was controlled. Thus, urine density corresponding to the same amount of fluid loss lost in aerobic exercise and sauna was compared. Results: The values of USG were significantly different pre-exercise (1.016±4.1 g/cm3) from after exercise (1.024±3.10g/cm3) (p <0.01); pre-sauna (1.016±4.33) from post-sauna (1.022±3.05) and pre-exercise (1.016±4.1 g/cm3) and post sauna (1.022±3.05). Conclusion: Using hydration status is a good strategy for athletes monitoring body weight before training sessions or competitions to maintain proper hydration. Moreover, questioning the amount of mineral quantity and content loss or with fluid and mineral intake during fluid loss in aerobic exercises and tournament environments will shed light on future studies.
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Keywords
Aerobic Exercise, Tennis player, Dehydration, Fluid Loss, urine density, sauna
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