Effects of Dehydration on Motor Skills, Attention, and Performance in Adolescent Football Players

Inclusion Criteria: * Male sex (to avoid hormonal variability related to the menstrual cycle) * Voluntary participation * Age between 13 and 14 years * Similar sporting background (regular football training and competition experience) * No chronic or metabolic disease * No respiratory or renal disease * No medical condition requiring fluid restriction * Not taking any medications or dietary supplements (e.g., vitamins, minerals, creatine, protein) * No recent history of injury Exclusion Criteria: * Outside the specified age range * Female sex * Diagnosis of chronic/metabolic, respiratory, or renal disease * Regular use of medication, diuretics, or dietary supplements (e.g., vitamins, - minerals, creatine, protein) * Medical condition requiring fluid intake restriction * Not engaged in sports or without a football background * Recent injury history