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No abstract

The prints of the blood, eye, finger, and ear are essential method to identify the persons, where it is impossible to find two identical prints even of twins. Therefore, the print refers to the individuality which is the basic of training, diagnose, or educating athletes. The body segments are treated as a community of society, the output parameters of this community by the motion analysis are treated statistically for more understand how the body segment effect each other and the body center of gravity. Three good athletes in gymnastics were asked to perform the Round-off (gymnastics). Motion Track program was used to get the angular velocity for 14 segments plus the center of body mass. The skewness and kurtosis of the segments angular velocity were calculated. The segments were classified into categories according to a matrix between the skewness and kurtosis values. The results emphasis the differences in the technical prints between the three performances in the number of the cooperative, non-participant, and special segments. There is differences in the easiness and difficulty degree of performance.

The overweight and obesity spreads among children around the world, the matter that the World Health Organization helps the countries to take action. Overweight and obesity in childhood affect negatively both physical and psychological health. Inactivity and unhealthy diet are most causing factors. Physical activity provides children with immediate and long-term health benefits. In Egypt and most of developing countries physical education classes are the only directed and regular physical activity for children. Increasing the dose of physical activity for obese children reduces the percentage of body fat. The attitude of the students toward physical education classes is important for participation. Enjoyment and usefulness could positively change this attitude. The planned curriculum by the authors relied on new competitive games. These games were retrieved from Athletics events and supported by the physical abilities considering the visual, auditory and mental perceptions. Ashweel WHtR chart was used to recognize the overweight children for the pre and post measurements. The result was significant as the ratio of WHtR for all children is decreased although they still in the yellow area. The author recommended to extend the same curriculum planning to the other sports activities.