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《第三届中国生物物理学会代谢生物学分会学术研讨会论文集》2019年
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Effect of Nutrition Intervention on Body Composition of Young Swimmers

付中玉  
【摘要】:Diet is the material basis for maintaining exercise capacity.Reasonable dietary nutrition can not only provide the energy and nutrients needed for metabolism,but also make the athlete's body composition a reasonable proportion.Reasonable body composition can effectively improve the athlete's physical function and athletic performance.Objective:Exploration and analysis of dietary intervention on adolescent body composition of cadre and provide a strong basis for dietary improvement in physical function.Methods:Nine adolescent swimmers(4 females and 5 males)were selected for a three-month dietary nutrition intervention to analyze the changes in athletes' height,weight,fat-free mass,body fat percentage and muscle mass after nutrition intervention.The dietary nutrition intervention of athletes was based on the national dietary intake guidelines for adolescents and individual specific situation,using weighing method and 24-hour retrospective method to weigh and record the dietary nutrition intake of athletes;the body composition detector measures body composition,including height,weight,fat-free mass,body fat percentage and muscle mass.Results:After a period of reasonable dietary nutrition intervention,the body composition of adolescent swimmers has changed to some extent.The height of athletes has increased by 0.01 m,the weight has increased from 41.95 kg to 42.15 kg,the fat-free mass has increased from 35.02 kg to 35.50 kg,the body fat percentage has decreased by 1%,and the muscle mass has increased from 33.1 kg to 33.62 kg.Conclusion:long time of scientific and rational dietary nutrition can improve the athletes' body composition,make the function of athletes in good condition.It is suggested that coaches should regularly monitor athletes' body composition in future sports training.Through scientific and reasonable dietary nutrition and physical activity,control the athletes' body composition,in order to achieve the ideal performance of athletes.
【作者单位】:上海体育学院
【分类号】:G804.32

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