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EFFECTS OF AN OFFICIAL FOOTBALL-7 MATCH ON HYDRATION STATUS ON A TEAM OF PREPUBERTAL CHILDREN: PILOT STUDY

 

ABSTRACT

 

Objectives

To analyze the level of hydration through urinary markers, weight loss, sweating rate and percentage of weight lost on prepubertal players.

Material and Methods

This study was conducted in a football-7 team of Cordoba (Spain) at 13:00 o’clock. 11 boys (8 to 9 years old) started the match euhydrate after a process of hydration based on the protocol of ACSM (2007). Urinary markers such as: ph, USG (g / L), Na+ concentration (mmol / L) and Uosm (mOsm / kg), and changes in body mass (kg), percentage of body mass lost and sweat rate (L / h) were evaluated at basal time and just finish the game.

Results

Players showed anthropometric values within the normal range for their age and gender. No differences were found on playing time when it was compared the different positions occupied among them. Mass loss was greater than 2% in the group of players at the end of the match. However, when it was studied by positions, goalkeepers and forwards only showed differences. On the other hand, an increase in urinary values and body temperature by comparing the baseline measurement with that obtained after the match was found.

Conclusions

An official football-7 match leads to dehydration processes in young boys, even beginning euhydrated and being able to drink ad libitum. In addition, the defence and the forwards positions appear as the most affected. In turn, it was confirmed the need to motivate the intake of fluids by children considering the absence of their own initiative.

 

KEY WORDS

Children, competition, dehydration.

 

 
Journal of Sport and Health Research - 2009