Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effect of Rehydration with Mineral Water Following Exercise Induced Dehydration on Cardiorespiratory Fitness in Athletes

Version 1 : Received: 8 March 2022 / Approved: 10 March 2022 / Online: 10 March 2022 (12:18:00 CET)

How to cite: Al-Qurashi, T.M.; Aljaloud, K.S.; Aldayel, A.A.; Alsharif, Y.R.; Alaqil, A.I.; Alshuwaier, G.O. Effect of Rehydration with Mineral Water Following Exercise Induced Dehydration on Cardiorespiratory Fitness in Athletes. Preprints 2022, 2022030147 (doi: 10.20944/preprints202203.0147.v1). Al-Qurashi, T.M.; Aljaloud, K.S.; Aldayel, A.A.; Alsharif, Y.R.; Alaqil, A.I.; Alshuwaier, G.O. Effect of Rehydration with Mineral Water Following Exercise Induced Dehydration on Cardiorespiratory Fitness in Athletes. Preprints 2022, 2022030147 (doi: 10.20944/preprints202203.0147.v1).

Abstract

Background: the present study aimed to examine the effect of rehydration with mineral water on cardiorespiratory fitness in athletes. Methods: Twenty athletes (21.7±3 years) were ran-domly underwent a crossover design experimental trail. Three visits were arranged. The first visit was for baseline measurement. The second visit included three phases (pre-dehydration, post-dehydration, and post-rehydration), and either Zamzam (mineral water) or bottle water (control water) was used. The third visit was similar to the second visit with exchange the type of water. Cardiorespiratory fitness and blood parameters have been evaluated. Data were an-alyzed to compare results of Zamzam water with bottle water and to compare between the phases for each type of water. Results: although there was no significant difference found be-tween Zamzam and bottle water in the cardiorespiratory fitness markers, Zamzam water maintained cardiorespiratory function including VO2peak, VT1, VT2, and VEpeak even with re-hydration equal to 100% of losing body mass following exercise-induced dehydration (>-2% body mass), where rehydration with bottle water reported significant reduction in both VO2peak and VEpeak. Conclusion: rehydration with mineral water such as Zamzam water may not impair cardiorespiratory fitness even with amount equal to 100% of losing body mass.

Keywords

dehydration; rehydration; cardiorespiratory fitness; athlete

Subject

BIOLOGY, Physiology

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