规律性的运动可以降低脂肪固定值 ,因而能持久地保持身体健美 ,使已经减掉的脂肪不会再次出现。不过 ,运动时间的选择也很重要 ,通常晚饭前运动 ,对减肥最有效。这是因为 ,晚饭前作为能源燃料的几乎全是脂肪。而早餐前约有 50 %的燃料来自“瘦肉组织” ,由于晚饭通常较为丰盛 , Regular exercise can reduce the fixed value of fat, which can maintain a long-lasting body fit, so that fat has been reduced will not appear again. However, the choice of exercise time is also important, usually before dinner exercise, the most effective way to lose weight. This is because almost all of the fat used as energy fuel before dinner. About 50% of the fuel before breakfast comes from “lean meat”, because supper is usually more abundant,