Many tennis tournaments are played outdoors in hot and humid conditions, which poses a significant challenge particularly for children athletes. The purpose of this investigation is to examine if a precooling method can reduce thermal strain and consequently improve the performance of adolescent tennis athletes while exercising in hot conditions.
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Heart rate
Timeframe: Up to 4 hours, during a one complete tennis match
Core temperature
Timeframe: Up to 4 hours, during a one complete tennis match
Skin temperature
Timeframe: Up to 4 hours, during a one complete tennis match
Change from baseline thermal comfort at after each set
Timeframe: Change from baseline up to 1 hour after each set and up to 4 hours at the end of the match
Change from baseline thermal sensation at after each set
Timeframe: Change from baseline up to 1 hour after each set and up to 4 hours at the end of the match
Change from baseline rating of perceived exertion at after each set
Timeframe: Change from baseline up to 1 hour after each set and up to 4 hours at the end of the match
Change from baseline urine specific gravity (hydration status) at the end of each match
Timeframe: Change from baseline up to 4 hours at the end of the tennis match
Match - play characteristics (i.e., performance)
Timeframe: Up to 4 hours, during a one complete tennis match
Air temperature
Timeframe: Up to 4 hours, during a one complete tennis match
Relative humidity
Timeframe: Up to 4 hours, during a one complete tennis match
Wind speed
Timeframe: Up to 4 hours, during a one complete tennis match
Solar radiation
Timeframe: Up to 4 hours, during a one complete tennis match