Nanjing College National Student Physical Health Standard "the Election Test Items Selected Probability Studies

The physical health standard of national students is the evaluation system being built based on the trial implementation, persisting in the concept of "health first", combining with the demands of the development of times and student physique condition of reality. It contains some simple effective items and athletic skill indexes, which motivate students to take part in physical exercise actively and meanwhile reflect the state of health from body shape, function, quality, sports ability etc.Among the indexes, some can be chosen by school or student. But from the implementation result in institutes and universities in Nanjing area for years, some indexes were questioned about the substitutability and effectiveness by some people, they have low probability to be chosen as test indexes by university.This article applies some ways, such as literature, questionnaire, interview and mathematical statistics method. Combining the law of physique healthy development, and according to the current implementation in university students' physical test, and based on the study of the literature of domestic and foreign body mass index system, substitutability, practical operability and rationality about the chosen indexes of undergraduates' physical fitness test indexes were studied. Results show that:grip, standing long jump,1000/800 have highest probability to be selected for their easy, effectiveness features.Compared with middle-long distance race consequence, step tests has more discrepancy, lower relevant, more investment, lower efficient, more complex process in reflecting human's cardiovascular health condition. So it has less rate to be chosen as test index as same as sit-and-reach, sit-ups. And there is the least chance for 50 meters-run, throw medicine ball, rope skipping and pull-up to be chosen as text index. For its complex process, none of these universities chooses basketball, football and volleyball as test item.Through this article, we find some defects on elected indexes in The physical health standard of national students, and give some advises in order to promote it development, give some reference in revising and perfecting the evaluation system of students' health standard.