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The Official Journal of the Korean Academy of Kinesiology 2009;11(2):19-26.
Published online July 30, 2009.
Effects of Taekwondo Training on Skeletal Maturation, Body Composition, & Metabolic Syndrome
Byung-Kwan Ryu, Jin-Wook Chung, Young-Soo Jin, Hye-Young Lee, Sung-Il Song, Yoon-Taek Lim, Tae-Wan Kim
Youngin University
University of Ulsan
Asan Medical Center
Korea University
Korea National Sports University
Correspondence:  Jin-Wook Chung,
Email: cjw826@hotmail.com
Received: 4 June 2009   • Accepted: 19 July 2009
Abstract
The purpose of this study was to investigate the effect of Taekwondo training on skeletal maturation, body composition, & metabolic syndrome. 61 male elementary school students participated in this study and divided into two groups. Taekwondo Group(TG, n=32) has continued Taekwondo practice at least for 6month, 3days/wk, 1hr/session and control group(CG, n=29) hasn't participated in regular exercise. Greulich and Pyle method and Inbody 3.0 were used to measure skeletal maturation and body composition, respectively. Waist circumference, blood pressure, HDL-C, TG, blood glucose were measured to determine metabolic syndrome risk factors. As a result, there were significant differences between groups in skeletal maturation, BMI, %bodyfat, body fat(kg), waist circumference, systolic blood pressure, and TG. In conclusion, longitudinal Taekwondo training positively affect on delaying skeletal maturation, improving obesity, and protecting metabolic syndrome.
Keywords: Taekwondo, skeletal maturation, body composition, metabolic syndrome


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