Different Schoolbag Weight Female Obese Children On The Stairs When The Body Posture, Gait, Plantar Pressure Effects

Ojectives: Pupils bag is overweight has become the focus of attention, in the society is a kind of common phenomenon, has been a growing number of parents and education scholars' attention. Many research found the bag is overweight on children's weight will be adversely influence the growth and development. In many countries carry bag fluctuation stair has become necessary in daily life pupils activities. In order to reduce the bag for children overweight weight physical development of the adverse impact, find suitable for they carry bag weight, another reason to access information from now on display most of children carried bags for research both in weight flat, and about children carried weight up the stairs research is still relatively limited. This research mainly for obesity in children's bear different female bag on the weight stair gait and foot stress affected were analyzed and studied.Method: Select 15 age for women aged September 11 primary obese children as the research target, the 2-d video analysis system and force measurement machine kistler force measurement system, using 3d two pieces of 1-m force measurement machine comprehensive analysis of support legs and participants swinging leg landing subjects for 3d kinetic parameters of different weight bearing, bag (0% BW, 10% BW, 15% BW and 20% when the stairs BW BW) gait and foot stress index of collect. Use of repetitive measure design ANOVA analysis of variance (Repeated test to different weight) carried the difference between bag parameters.Research the innovation points:1, take kinematics parameters and the method of combining kinetic parameters were studied.2, the elementary school female obese children the parameters of the stairs when measured for suitable carry bag, provides the theory basis for weight.3 and use force measurement of three-dimensional platform stairs women obese children when the force on foot measuring and analyzing the collected data. Study limitations: This study only used 2 - D camera analysis system to collect different weight women obese children carried on the stairs bag of sports biomechanics body posture, gait and foot indicators. This kind of analysis system will be lost children carrying bag when different weight on the stairs part 3 - D gait and foot indicators. Further research should be based on 3-d camera analysis system, to get more three-dimensional index. This research despite the use of force measurement of women on the platform of the childhood obesity on foot pressure data collection and analysis, analysis is only the vertical direction, there is no female obese children of different weight bearing on the foot transverse bag before analysis force and force the content of study, are not very comprehensive; Another aspect is bear different load weight bag up the stairs to women obese children will affect the body posture, meanwhile body posture change can be related to their gait and foot pressure changes, and this research didn't toward the two aspects to the inevitable connection between related research appears research more single.Results: The stairs: women obese children more than 15% in carrying bag weight BW and feet support the growth of time appears significant compared with 0 loading (that bear 0% BW bag weight compared with); Female obese children more than 10% in carrying bag weight BW and vertical pressure spikes thenar increased significantly compared with 0 loading (that bear 0% BW bag weight compared.Conclusions:1,when I climb stairs: female obese children in carrying bag bag above 15% BW and of their own body weight can affect the pose and gait; Female obese children more than 10% in carrying bag can weigh and BW to own foot pressure the influence.2,female obese children in bear choose as far as possible when bag up the stairs shoulder bag; female obese children when the stairs in the school bag carrying bag weight not more than 10 percent of their body weight.3,strengthen correct, graceful body posture propaganda education, let the whole society to care about this problem. School caused by parents classes, parents and students attention, make home school jointly cooperate, improve the situation. Give full play to the main front, use sports lesson hold morning exercise, time, let the student to have the treatment effect, adjust and relax the students exercise fatigue in the body parts.