The peculiarities of changes of physical fitness of the girls

The object of the study. Physical fitness of 8–12 forms girls in Kaunas. The problem of the study. In Lithuania the investigation of peculiarities of the changes of physical fitness of 8–12 forms girls during latter five years wasn‘t found. In Lithuania such studies as physical fitness, physical activity, physical self – practice of Lathuanian school children were not connected directly (Trinkuniene, 2001; Volbekiene, Baubliene, 2002; Batutis, 2003; Mazuriene, 2006; Puishiene, 2005, 2007; Volbekiene, 2002, 2007) negative tendencies of changes of physical fitness and predominant sitting manner of life were determined. The aim of the study. To determine the peculiarities of physical fitness changes of 8–12 forms girls in Kaunas. The tasks of the study. 1. To determine the change of physical fitness indexes during one school year among 8–12 forms girls in Kaunas. 2. To determine the change of physical fitness indexes during one calendar year among 8–12 forms girls in Kaunas. 3. To determine the changes of physical fitness indexes of 8–12 forms girls in Kaunas during two years period. 4. To determine the changes of physical fitness indexes of 8–12 forms girls in Kaunas during three calendar years’ period. 5. To determine the changes of physical fitness indexes of girls in Kaunas from 8 form autumn till 12 form spring. Conclusions. 1. The indexes of physical fitness of the girls of senior classes do not change in one school year, the indexes of agility of the girls of forms 8 and 10 go worse. The endurance of cardiovascular system of the girls of the 9 forms improve. 2. Leg muscular power of the girls of the 10 form improves; the endurance of cardiovascular system of the girls of 11 form improve as well. The biggest amount of changes of indexes of physical fitness is found in 9 and 10 forms (the results of agility improve, the endurance of cardiovascular system, as well as abdominal muscle endurance go worse. The indexes of physical fitness of the girls of 8–9 forms do not change. 3. The indexes of physical fitness of the girls of 8–10 forms improves. The leg muscular power improves in highest forms during two years. The agility of the girls of 9 and 11 forms improves, but the endurance of cardiovascular system goes worse. The endurance of cardiovascular system and abdominal muscle endurance improves from forms 10 to 12. 4. The leg muscular power of the girls improves during three years. The agility improves from spring in 8 forms till spring in 11 forms, the endurance of cardiovascular system improves from spring in 9 forms till spring in 12 forms. The strength of abdominal muscle endurance does not change during three years. 5. The indexes of agility and abdominal muscle endurance from the 8 till 12 forms girls does not change, the leg muscular power and endurance of cardiovascular system improves. a) Cardiovascular system endurance results had two peaks from the 8 till 12 forms girls. First peak was reached in 9 form autumn and second improvement was from 10 form spring till 12 form spring. b) Girls legs muscle power results improves from 9 form spring till 11 form spring