Sleep research article
Effects of carbohydrate mouth rinse on psychophysiological responses, kinematic variables and technical actions during small-sided soccer games.
Authors: Gorgulu E , Soylu Y , Arslan E , Kilit B , Clarke ND
One-line summary
A sleep science research article on Effects of carbohydrate mouth rinse on psychophysiological responses, kinematic variables and technical actions during small-sided soccer games..
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中文解读
中文解读待补充：本站会优先为失眠研究、睡眠质量改善、昼夜节律等高价值睡眠研究添加中文说明。
Original abstract
<h4>Background</h4>This study investigated the effects of carbohydrate mouth rinsing (CHO<sub>MR</sub>) on various psychophysiological, kinematic, and technical actions during 4-a-side small-sided soccer games (SSGs).<h4>Methods</h4>In a randomized, crossover, double-blind design, 16 young male soccer players (age: 15 ± 1 years; height: 172.6 ± 7.0 cm; body mass: 57.8 ± 7.9 kg) participated in two 4-a-side SSGs separated by one week following either CHO<sub>MR</sub> or placebo (PLA). During each SSGs, heart rate (HR<sub>mean</sub>, %HR, and HR<sub>max</sub>), rating of perceived exertion (RPE), enjoyment, visual analogue scale (VAS) to perceived mental fatigue, mood states, total distance (TD), high-speed running distance (HSRD), average metabolic power (AMP), high metabolic load distance (HMLD), sprint distance (SD), acceleration (ACC), deceleration (DEC), and technical actions (e.g. passing, tackling, shooting, and interceptions) were assessed.<h4>Results</h4>Compared with PLA, CHO<sub>MR</sub> resulted in significantly higher RPE (<i>p</i> = 0.025, g = 0.86) and significantly lower VAS scores (<i>p</i> = 0.010, g = -0.71). In addition, the CHO<sub>MR</sub> condition showed significantly higher values for interceptions, successful tackles, unsuccessful tackles, unsuccessful shots, and goals (<i>p</i> < 0.05, g = 0.96-2.02), whereas block values were significantly higher in the PLA condition. There were no statistically significant differences in HR<sub>mean</sub>, %HR, HR<sub>max</sub>, enjoyment, TD, HSRD, AMP, HMLD, SD, ACC, DEC, successful passes, unsuccessful passes, successful shots, or mood states between the conditions (<i>p</i> > 0.05).<h4>Conclusion</h4>The current study findings suggest that CHO<sub>MR</sub> may enhance selected technical actions and lower VAS scores during 4-a-side SSGs, although it was also associated with higher RPE and did not alter the kinematic responses. In conclusion, CHO<sub>MR</sub> was associated with higher RPE, lower mental fatigue, and selective improvements in technical actions, with no significant effects on kinematic variables or HR.
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