正确选择食物是保证饮食质量的关键。运动员对各种营养素的需要量,要根据项目、运动强度和体格条件来决定。合理地安排饮食营养对消耗能量较大的耐力运动项目——长中跑来说尤为重要。笔者根据自己训练、竞赛以及有关资料证实,运动员饮食安排一定要科学、合理,要因人、因项目而异。选择食物要讲究营养,既易消化,又符合运动员的需要。平时主食不宜过于精细,品种要多样化,米面应合理搭配,充分发挥食物的互补作用。副食不能单从价格出发,关键在于荤素搭配,酸碱性食物搭配。平时吃的食物按性质可分为两大类:一类是 The correct choice of food is the key to ensuring the quality of the diet. Athletes need a variety of nutrients, according to the project, exercise intensity and physical conditions to decide. Reasonable arrangements for dietary nutrition energy consumption of large endurance sports - long middle distance is particularly important. According to my own training, competitions and relevant information confirmed that athletes diet must be scientific and reasonable, due to people, because of the project varies. Choose food to pay attention to nutrition, not only digestible, but also meet the needs of athletes. Normal staple food should not be too fine, the variety should be diversified, rice should be a reasonable match, give full play to the complementary role of food. Non-staple food can not proceed from the price alone, the key is the meat and vegetables with acid-base food collocation. The usual food to eat by nature can be divided into two categories: one is