对 2 1名云南省世居高原的中长跑男运动员进行了 5天的营养调查工作。结果显示 :动物性食品和油脂类摄入量偏高 ;热源质分配比不适宜 ,蛋白质和脂肪含量偏高 ,碳水化合物偏低 ;部分维生素和无机盐摄入不足。体格检查显示有 5 5 %的运动员 BMI<2 0。生化检查显示有 36 .4%的运动员体内维生素 B1营养水平不足或缺乏。 A total of 21 middle-distance and long-distance male runners in the Yunnan Plateau were given a 5-day nutrition survey. The results showed that the intake of animal food and fat was high; the ratio of heat source and matter was not suitable; the protein and fat content were high; the carbohydrate was low; and some vitamins and inorganic salts were insufficient. Physical examination showed that 55% of athletes had a BMI <20. Biochemical tests showed that 36.4% of athletes had inadequate or inadequate levels of vitamin B1 nutrition.