Research On Application Of Individual Lactic Acid Threshold Theory In Flying Cadets+Gz Endurance Training

Regular aerobic endurance training is the best way of enhancing function of heart and lungs, which secures pilots flying endurance. A certain amount of persistent aerobic training is beneficial to keeping +Gz level, while excessive aerobic endurance training lead to the reduction of pilots'acceleration tolerance. So it is very important for fighter pilots to undertake aerobic endurance training moderately. Some studies in that filed have been conducted both domestically and abroad, resulting in some opinions and suggestions, among which so far there hasn't been any report on influence of aerobic training under the direction of individual lactic acid threshold theory on pilots'+Gz endurance. Thus, this study is aimed to explore the influence on their +Gz endurance, of applying individual lactic acid threshold theory on flying cadets who undertake aerobic endurance training, trying to fill in the gap in this field by experimental practice. The purpose of it is to provide basis for aerobic endurance training program for high-performance fighter pilots of PLA.In this study, 50 male flying cadets are divided at random into a test group which is tested on individual lactic acid threshold heart rate and undertake training under such intensity and a comparison group which applies conventional exercise. Both groups undertake training for 12 weeks. The effect of exercise is evaluated through flying cadets'+Gz endurance test, step experiment test, physiological index test and psychological scale monitoring. The study shows that the training effect of test group is obviously better than that of comparison group in all the respects of +Gz endurance level, step test, physiological index as well as exercise state.The study also shows that it can effectively enhance flying cadets'function of heart and lungs under the direction of applying individual lactic acid threshold theory, which is beneficial for keeping acquired +Gz endurance.The limitations of this study lie in: 1) because of the restriction of study conditions, the values of +Gz endurance test are deduced with formulas, instead of being proved through centrifuger; 2) After the study, there is no tracing measurement continued for the reason of limited condition, so the conclusion is only proved at the basic training stage of flying cadets. Therefore, the author expects it to be improved in follow-up studies.