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KMID : 0388120090180020065
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Journal of Korean Society for the Study of Obesity
2009 Volume.18 No. 2 p.65 ~ p.71
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Evaluation of physical fitness level in obesity indices among middle and high school students in Seoul
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Park Mi-Jung
Suh Sang-Hoon
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Abstract
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Background: The prevalence of obesity in Korean youth has increased substantially in last decades as the result of change in eating behaviors and lifestyles which favor calorie accumulation. Although there has been a rising concern about its negative influences on health and fitness, investigations on the relationship between obesity and fitness level of Korean youth are rare. Therefore, the purpose of this study was to assess physical fitness levels of Korean youth in obesity indices.
Methods: A cross-sectional analysis for determining obesity index and fitness level was conducted among 2,385 healthy schoolers in Seoul(7th grader: 1,034, 10th grader: 1,351/boy: 1,538, girls: 847). The subjects were considered as underweight, normal, light obesity, moderate obesity, and severe obesity if they were under 80%, between 80-120%, 120-130%, 130-150%, and above 150% of obesity index, respectively, determined for the study. Fitness level was determined by the scores of the test battery[50m-run(power), push-ups(boys)/chin-ups(girls), sit-ups, standing long jump, sit-and-reach, long distance-run.
Results: Obese subjects appeared to have significantly lower fitness score compared to their non obese counterparts (p<0.05). The normal group among boys and the underweight group among girls appeared to have the highest fitness score, and the scores and obesity index were negatively related, thereafter.
Conclusion: Results of present study demonstrated that underweight was not significantly related to low fitness level, while obesity has a great effect on the decline in fitness level in Korean youth. Therefore, it is important to manage childhood obesity through educations on a regular basis in school and at home.
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KEYWORD
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adolescent obesity, physical fitness, physical activity
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