عنوان مقاله [English]
Background&Purpose: health is the most important longevity. The best way of keeping it is to have health living trend. Physical fitness considers as the main keys to access the health. Less physical movement provide opportunities for diabetes mellitus type 2, fatness, osteoporosis and even different types of cancers. Accordingly, in the present research, it is proposed to study about Cardio respiratory, Muscle skeletal and Body composition changes trend among girl students from 8-18 years old in Khoy during 2012-2013.
Methodology: Due to the research general goal, it is selected 556 persons among 23262 persons as statistical sample using Odenaskey data table. Then, it is done cluster random sampling and the samples are compared of changes in Cardio respiratory, Muscle skeletal and Body composition fitness.
Results: According to the obtained goals of statistical experiments in waist circumference (WC), Body Mass Index (BMI), Waist to Hip Ratio (WHR), the body fat percent, maximum aerobic power (VO2max), Abdominal, back, shoulder girdle muscles Endurance, hamstring and girdle shoulder flexibility among all age groups have significant difference.
Conclusion: According to the results, cardio respiratory, body composition fitness, muscle skeletal changes the female students in Khoy city in different periods have been significant changes which in some cases can be a health concern that should be physical activity programs for improving the situation of trying.
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