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Weigh-in time affects hydration status and acute weight gain in combat sports: A comparison of judo and wrestling
Author(s) -
Bayram Ceylan,
Bilgehan Baydil,
Latif Aydos
Publication year - 2021
Publication title -
revista de artes marciales asiáticas
Language(s) - English
Resource type - Journals
eISSN - 2174-0747
pISSN - 1885-8643
DOI - 10.18002/rama.v16i2.7020
Subject(s) - athletes , urine specific gravity , competition (biology) , significant difference , analysis of variance , medicine , body weight , physical therapy , zoology , psychology , urine , biology , ecology
This study aimed to investigate the effect of weigh-in time on hydration status and acute weight gain (AWG). Twenty-seven men judo athletes and 23 men wrestlers voluntarily participated in this study. Body mass and urine specific gravity (USG) of the athletes were measured just before official weigh-in and competition. Two-way analysis of variance (split-plot ANOVA) with repeated measurements (time x sport) were used to determine differences in AWG and USG between groups and measurement times. In case of significant difference between sports, t-tests were applied. There was a significant main effect of time (p<0.01, ES=0.25) on USG. A significant difference was found in USG between official weigh-in and start of the competition in wrestlers (p<0.01) but not in judo athletes. There was significant difference in AWG and AWG% between sports (p<0.01). Moreover, most of the athletes presented high level of dehydration before both official weigh-in and competition. In conclusion, judo athletes could not rehydrate as much as wrestlers despite 15h of recovery. It can be suggested that the period between official weigh-in and competition would be shortened to prevent non-optimal hydration status and rapid weight gain, with caution to allow sufficient recovery period.

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