| BackgroundThe youth are the future of the nation, their physical state of health was concerned by the whole community. The last decade, the overall physical condition of middle school students declined. Sport is an important means of enhancing people's health, and improved nutrition is the material basis for enhancing people's health. This study attempts to explore enhanced physical fitness of the best sports nutrition intervention programs for middle school students and to provide a theoretical reference for the independent exercise for middle school students.ObjectiveFirstly, to describe the status of diet nutrition and physique of middle school students in Beijing. Secondly, to explore the effects of sport nutrition intervention on physique towards middle school students in Beijing.Methods A quasi-experimental study was used in the study. A middle school was sampled conveniently from Changping District, Beijing as a research unit. 40 high school students in all were selected as research subjects, which 20 boys were randomly selected from all high school boys and 20 girls were randomly selected from all high school girls. Before the intervention, Physical testing of study subjects and record the results of physical tests. According to the first physical test results, 40 subjects were divided into three groups: the obese group, lack muscle group, heart and lung function weak group. Each group concluded 12 to 14 subjects, equally divided between boys and girls. For the obese group, lack muscle group, heart and lung function weak group respectively Chien-body L-carnitine + Stick (+ diet control), creatine + pure whey protein powder, health drink (active peptide type) + activity of sugar capsule Nutritional intervention. Beside these, adding the jogging, standing exercises, exercise equipment and other sports with each other for several campaign intervention.After the intervention, measure and record morphological index of students in each group, heart and lung function indices, power quality indicators, indicators of body composition, flexibility, quality and other indicators. Use SPSS (13.0) statistical data processing software analyze the data.Results40subjects finished the study. Study the uptake of nutrients, vitamins and minerals is inadequate. Through the intervention, the percentage of obese BMI and body fat indicators improved; muscle body mass index less than group targets to improve grip strength; heart and lung function improved significantly weaker group of step index.ConclusionIt was necessary and feasible to implement the sport nutrition intervention for the middle school students in Beijing. The sport nutrition intervention enhanced the physical fitness of the middle school students in Beijing, and it deserved to be popularized. |
PDF Full Text Request