China's High Level Of Professional Soccer Athletes In Life And Influencing Factors

The span of sport life is a complicate, developing and systematic process, and the length of group A of A-grade athlete's sport span reflects our country's football level. It is the most valid means of promoting our football level to prolong current players' sport span because the need of improvement of reserve. This thesis theoretically analyzed the concept of sport span and did a comparison research on the age of group A of A-grade athletes. This research, based on previous theories of sport-life span, sport training, sport psychology, sport physiology, sport dietetics, sport genetics, sport medicine etc., selects 6 primary indexes, which include training factor, dietetic factor, medical factor, social factor, psychological factor , pedagogy factor , other factor to be the main causes affecting high level professional football athletes in our country.The result shows: the average of sport life span of the high level professional football athletes in our country is10.36 years.Among them, the average age the best sports obtained stage is 1.10 years;the average age the best sports steady stage is 8.41 years;the average age the best sports keep stage is 0.85 years. The 11 factors of first ten is: prompt treatment and restoration of Wounded and sick,training systematic characteristic and scientific nature of many year and the whole year,the training method scientific nature in order to maintenance athletic state after athletics ability drops,the arrangement rationality in training process load,will quality and psychology bearing capacity,the depth of loving and paying for the special,the technical utilization not reasonably causes not essential to be injured thus the reduced movement life,each item of physical quality training integrity and systematic characteristic,the quality cannot follow the competition to need to cause to retire ahead of time,dedication to work,whether perfect and strict of the medical affairs supervise the system.The purpose of this research is to find the Characteristic law of the high level professional football athletes in our country and the main factors affecting sport span of the high level professional football athletes in our country, and to provide basic theories on prolonging their sport span.