The present study evaluated the influence of carbohydrate mouth-rinsing (CHO- MR) and placebo (PLA) conditions on the psychophysiological responses, kinematic profiles, and technical performance of young male soccer players in 4-Small sided games (SSGs). The study participants were involved in a randomized, double-blind, repeated-measures design that employed 3 sessions (familiarization, CHOMR and PLA) over fifteen days at a testing facility. Participants took part in two test sessions one week apart. CHO solution was a maltodextrin-based mixture containing 6.4% maltodextrin (Protein Ocean, Türkiye). The PLA solution consisted of pure water. Both solutions were made indistinguishable by incorporating 50 mg of a non-calorific artificial sweetener and 50 mg og sucralose (Fibrelle, Türkiye). A 25-ml bolus of 6.4% maltodextrin solution was utilized in a pre-weighed plastic cup, with sucralose water tested as PLA for each rinse solution.
Age range
14 Years – 16 Years
Sex
MALE
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The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Psychophysiological Responses-Heart Rate
Timeframe: From baseline to the end of treatment at 2 weeks
Psychophysiological Responses-Rating of Perceived Exertion
Timeframe: From baseline to the end of treatment at 2 weeks
Psychophysiological Responses-Enjoyment-Brunel mood of states
Timeframe: From baseline to the end of treatment at 2 weeks
Psychophysiological Reactions-Mood Rating
Timeframe: From baseline to the end of treatment at 2 weeks
Psychophysiological Responses-Mental Fatigue Assessment
Timeframe: From baseline to the end of treatment at 2 weeks
Evaluating the total distance (TD)
Timeframe: From baseline to the end of treatment at 2 weeks
Assessment of high intensity running distance (HIMD)
Timeframe: From baseline to the end of treatment at 2 weeks
Evaluation of sprint (SD)
Timeframe: From baseline to the end of treatment at 2 weeks
Evaluating acceleration (ACC) and deceleration (DCC)
Timeframe: From baseline to the end of treatment at 2 weeks