The Comparison Study On Bone Development Of People Aged From Seven To Eighteen Between The City Of Dalian And Wenzhou

Purpose: This text is in order to analysis two sides living whether the bone growth of the 7-18 years old men and women is synchronous or not, and investigate the factor that affect the bone growth of the two side area 7-18 years old men and women. By analysis between Dalian City and WEN ZHOU City the area 7-18 years old of the two sides men and women the unfamiliar wrist a skeleton bone age and the body appearances develop the index sign of the diagraph analysis research, This research result not only provided the new data for the physical endowment anthropology and forensic medicine, but also used for judgment whether the bone growth of two sides living is normal or not, and contributed to diagnosis and cures some paroxysms, also had important applied value to predict the Human body to the estimate high, predict the female menstruation menarche, judge the age in legal medical expert etc.Method: We used the X machine to take left(the minority hand) wrist bones of 3,922 teenagers of Chinese in WEN ZHOU the and 3,005 teenagers of Chinese in Dalian, evaluated 14 pieces of bones of wrist by the CHN method, then input computer to calculate bone age. The research applied SPSS11.5 to measure the statistical result, adopt the independent sample examination to analyse the difference between the object bone age and the calendar ages, we adopt the partial related analysis to meature the relativity between bone age and the height, weights ot the 7-18 years old men and women between Dalian City and WEN ZHOU City.Result: 1, There are difference between the 7-18 years old Teenager of Dalian City and WEN ZHOU City for height and weight .2, There are highly just related relation between the bone age and life age.3, There are highly different between WEN ZHOU City and Dalian City for the bone age of the different sex .4, There ate highly different between WEN ZHOU City and Dalian City for the bone age of the same sex and age set.Conclusion: The comparison difference on bone development of people aged from seven to eighteen in the same age and sex group is prominent between the city of Dalian and Wenzhou. Maybe the reason is the gap of economic development level which leads to the diversity of nutrition. Or the difference of climate type between the two cities causes such phenomenon.