15-18 Obese Boys Compared With Standard Weight Boy Walking Normal Plantar Pressure Analysis

As an essential part of the human body, feet have a tremendous effect on individuals’ health, especially by their characters of pressure. Various features of the human plantar pressure can effectively reflect the structure and function of the foot as well as control the situation and the health of the entire human body posture. The abnormal distribution of plantar pressure has, in general, a close correlation with the disease of certain joint, foot or body parts. Therefore, data collection and analysis on the human foot pressure distribution can make us understand more about the health condition of other body joints, such as knees, hips and ankles in the level of body date.In order to identify the differences of plantar pressure between normal adolescents and obese ones, together with the related effects of obesity on plantar pressure, this thesis studies the gaits in obese adolescents aged 15-18 kinetically and analyzes the distribution and characteristics of plantar pressure in those adolescents at this age. The data analysis enables us to learn further the effects of the plantar pressure changes by obesity, which may result in the changes of other body parts.Studying 60 boys aged 15-18 of Changchun eighth middle using Footscan 7 USB2 gait of plantar Pressure test system, plantar kinetic parameters of normal boys and obsess ones at average pace are obtained. Main conlusion: 1.Weight is the main factor that determines the pressure peak in planter area, but weight itself shows no evident relation with how long that normal teenagers and the obese stand on the ground. Weight is the main factor that determines the pressure peak in planter area, but weight itself shows no evident relation with how long that normal teenagers and the obese stand on the ground. 2. Weight is the determining factor of area momentum, foot pressure of teenagers from 15 to 18, and time when foot pressure reach peak. But height and BMI index have weak influence on above statistics. Weight has evident influence on the feet pressure, especially, the pressure on heels and arches. The feet pressure of the obese concentrate mainly on foot lateral. The obese can bear longer standing time and higher momentum than normal group. Higher weight can lower the foot arches and enlarge the ground touching area during walking. 3. The pressure of right foot in walking is greater than left foot for both kinds of men. With the contacting area, both kind of men’s right foot is greater than left foot..Normal male’s second, third, fourth metatarsal and outer heel of right foot are more easily damaged. Normal male’s feet are more vulnerable to injury in moving process. Obesity male’s first to fourth metatarsal and heel are more vulnerable to harm in the process of moving. The increase of bodyweight enlarges the contacting area with ground. No significant effect on body weight rises to the foot axis angle.Bodyweight rise will increase the angle of the left foot subtalar joint to stabilize the body balance.