男性青少年运动员膳食调查及膳食营养干预的研究

The study of dietary survey and Dietary intervention for young male athletes

膳食营养是保证运动员营养素的需要和维持体能的最重要的物质基础,对训练起重要的保证作用,它长期影响训练的效果和训练后的恢复。采用食物称重法,对青少年男子运动员膳食营养状况以及膳食营养干预后营养状况进行调查,研究结果表明:青少年运动员膳食营养热量摄入不足,三大能源物质摄入比例不适宜,部分维生素摄入不足;膳食营养干预后热量摄入显著提高,三大能源物质摄入比例趋于平衡,维生素摄入均衡。

The nutrition of dietary is the most important base of maintaining physica abihty and the need for keeping nutrient for athletes, it also ensures the effect of training, it also has the Long - term effect for training and recovery. In the study, we had the method of weighing the food to investigate the nutrition status and the effecf of dietry intervention. The result suggested that the athletes had not enough calore intaking; the proportion of intaking the majory three substance of energy source was not suitable; They had not enough intaking for some vitaming. After the intervention, the intaking of energy source for the athletes was improved significantly, the intaking of the majory three substance of energy source was more suitable than before, the intaking of vitaming was suitable too.