Investigation And Research To Personal Dietary Nutrition Condition Of National Male High-jump Athletes

This research carried on 3-days dietary nutrition survey to 4 national male high-jump athletes,and with investigate questionnaire, physical examination,laboratory bio-chemical check-up,to analysed dietary nutritional condition,nutritional level in body of several important nutriment,dietary composition and eating habits of each athlete particularly,and to put forward improving suggestions for aiming at the actual condition of each athlete.In order to rectify the ill eating habits of each athlete via the conclusion of this research,and guide the athletes' diet personally,and make a little real contribution for their heightening of athletic results.In this research the dietary nutrition survey used a 3-day weighed dietary records,diet recall and food frequency,and conbined the questionnaires to investigate the eating habits and some nutritional knowledge.And between the period of investigation,mensurated the athletes' height,weight and body composition,and mensurated the athletes' hemoglobin,serum total protein,serum albumin,blood urea nitrogen,serum total cholesterol,serum total triglyceride and calcium, iron,zinc,copper,magnesium which are five microelements in blood plasm. Then put the data which was got through dietary records and diet recall into the software called"analysis and management system for athletes and populace"which was developed by sport medicine graduate school of national sports bureau,then analysed the data,and got the experiment result.The conclusion of this research:①The all athletes have the dietary nutrition unbalance of different degree,it primary performance is that low total calories intakes,high fat intakes,pretty low carbohydrate intakes,very low vitamin A and the vitamin B1 intakes,low vitamin C intakes,very high the vitamin E intakes,low zinc intakes,unreasonable proportioneach of each meal etc.②The athletes' daily dietary composition is not reasonable,too high and frequent in taking the livestock's meat,but few in taking coarse food grain,animal's harslet black,black color food etc which contains various nutrition that human needed,and obviously not enough in taking fruit and fresh vegetable.③There are big problems in the athletes' eating habits,most of which is that don't have the habit of having breakfast even don't have breakfast at all,and accord personal favour and the taste of the meal to decide how much and which to eat.④The athletes' percentage of body fat is higher and the body mass is lighter than average level of Chinese excellent male high-jump athletes.⑤Athletes lack enough understanding to nutritional knowledge relating to the high-jump,and they can't satisfy the need of taking reasonable nutrition with their understanding degree of nutritional knowledge.