Many previous studies have focused on youth soccer player injuries without body component analysis compared to non-athletes. Only a few studies which have investigated body components of youth soccer players, and stud...Many previous studies have focused on youth soccer player injuries without body component analysis compared to non-athletes. Only a few studies which have investigated body components of youth soccer players, and studies that look at electrical characteristics used by rheobase and chronaxie as well as body components are even scarcer. Therefore, we feel that there is a need for a study investigating objective clinical analysis of the body components (body structure and body composition) and electrical characteristics of both youth soccer players and non-athletes. Sixty subjects participated in our study, comprising of thirty youth soccer players and thirty non-athletes. The Inbody 520 was used to measure and analyze body composition and the Duo 500 was employed to measure electrical characteristics. It was observed that the soccer players showed markedly lower total impedance compared to the non-athletes. In both legs, it was particularly noted that there were significant differences between the right and left sides. The soccer players showed a higher skeletal muscle mass and lean/ideal lean × 100% compared to the non-athletes. Furthermore, the soccer players had a lower rheobase and higher chronaxie. A comparison of the genders showed a similar pattern. In this study, we were able to separate the differences in body components and electrical characteristics between the subject groups using a systemic approach. Future studies on diverse types of athletes would contribute further to the development of clinical physiotherapy and sports rehabilitation.展开更多
Purpose As players in high performance youth soccer(HYPS)environments undergo large changes in growth and matura-tion throughout the course of their development,they require specific nutritional intakes if they are to...Purpose As players in high performance youth soccer(HYPS)environments undergo large changes in growth and matura-tion throughout the course of their development,they require specific nutritional intakes if they are to meet these demands.The purpose of this review was to synthesise current nutritional research conducted within HYPS players.Methods A systematic approach,following PRISMA guidelines,was employed to capture all articles related to nutrition within HPYS using the databases MEDLINE and SPORTDiscus.Study quality and risk of bias were assessed using a Downs and Black instrument.Observational and intervention studies which investigated an element of nutritional status,knowledge,or intervention in academy aged players(U9 to U23s)within HPYS settings were included.Results Fifty-three articles qualified assessing:current nutritional intake and energy balance(n=21);ergogenic aids/sup-plements(n=13);hydration status(n=6);the influence of Ramadan fasting(n=4);Vitamin D status(n=4);female HPYS players(n=3);nutrition knowledge(n=2).Outcomes demonstrate a large proportion of HPYS players exhibit insufficient energy and carbohydrate intake,and a lack sufficient periodisation of nutrition to account for varying training/match loads.Large variability in energy intake and expenditure exists between and within chronological age groups,indicating the potential impact on growth and maturation.Female HPYS data is lacking but indicates similar trends to male counterparts.Conclusion HYPS players do not currently meet their energy requirements however the impact of growth and maturation is not fully understood.Furthermore,within this demographic future research is required into the barriers and enablers of players achieving adequate energy intake.展开更多
文摘Many previous studies have focused on youth soccer player injuries without body component analysis compared to non-athletes. Only a few studies which have investigated body components of youth soccer players, and studies that look at electrical characteristics used by rheobase and chronaxie as well as body components are even scarcer. Therefore, we feel that there is a need for a study investigating objective clinical analysis of the body components (body structure and body composition) and electrical characteristics of both youth soccer players and non-athletes. Sixty subjects participated in our study, comprising of thirty youth soccer players and thirty non-athletes. The Inbody 520 was used to measure and analyze body composition and the Duo 500 was employed to measure electrical characteristics. It was observed that the soccer players showed markedly lower total impedance compared to the non-athletes. In both legs, it was particularly noted that there were significant differences between the right and left sides. The soccer players showed a higher skeletal muscle mass and lean/ideal lean × 100% compared to the non-athletes. Furthermore, the soccer players had a lower rheobase and higher chronaxie. A comparison of the genders showed a similar pattern. In this study, we were able to separate the differences in body components and electrical characteristics between the subject groups using a systemic approach. Future studies on diverse types of athletes would contribute further to the development of clinical physiotherapy and sports rehabilitation.
文摘Purpose As players in high performance youth soccer(HYPS)environments undergo large changes in growth and matura-tion throughout the course of their development,they require specific nutritional intakes if they are to meet these demands.The purpose of this review was to synthesise current nutritional research conducted within HYPS players.Methods A systematic approach,following PRISMA guidelines,was employed to capture all articles related to nutrition within HPYS using the databases MEDLINE and SPORTDiscus.Study quality and risk of bias were assessed using a Downs and Black instrument.Observational and intervention studies which investigated an element of nutritional status,knowledge,or intervention in academy aged players(U9 to U23s)within HPYS settings were included.Results Fifty-three articles qualified assessing:current nutritional intake and energy balance(n=21);ergogenic aids/sup-plements(n=13);hydration status(n=6);the influence of Ramadan fasting(n=4);Vitamin D status(n=4);female HPYS players(n=3);nutrition knowledge(n=2).Outcomes demonstrate a large proportion of HPYS players exhibit insufficient energy and carbohydrate intake,and a lack sufficient periodisation of nutrition to account for varying training/match loads.Large variability in energy intake and expenditure exists between and within chronological age groups,indicating the potential impact on growth and maturation.Female HPYS data is lacking but indicates similar trends to male counterparts.Conclusion HYPS players do not currently meet their energy requirements however the impact of growth and maturation is not fully understood.Furthermore,within this demographic future research is required into the barriers and enablers of players achieving adequate energy intake.
