对于耐力项目的田径运动员,长时间地不断地供给机体所需要的越来越多的能量(这些能量主要靠脂肪和碳水化合物提供)具有最重要的意义。从事耐力项目的田径运动员一昼夜的能量消耗总计达5～6千大卡,比不从事运动的人大约高1～1.5倍。因此,这样的运动员必须从食物中摄取比常人高1～1.5倍的脂肪(达150～160克)和碳水化合物(达800～900克)。按产热量来衡量,脂肪与碳水化合物的比例关系应约为1;2.4。但脂肪和碳水化合物的合理的比例关系不是一成不变的——它取决于运动员的需求,还 For endurance athletes, more and more of the energy needed to deliver the body over an extended period of time, primarily on fat and carbohydrates, is of the utmost importance. Track and field athletes engaged in endurance events have a total energy consumption of 5 to 6 kcal a day, about 1 to 1.5 times higher than those who do not exercise. Therefore, such athletes must consume 1 to 1.5 times more fat (up to 150 to 160 grams) and carbohydrates (up to 800 to 900 grams) than the average person in their diet. Measured by calorific value, the ratio of fat to carbohydrate should be about 1; 2.4. But a reasonable proportional relationship between fat and carbohydrate is not static - it depends on the needs of athletes, but also