Jong Kook Song

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BACKGROUND The purpose of this study was to determine the effects of high-intensity interval training (HIIT) on athletic performance in Taekwondo athletes. METHODS Thirty-three male and female collegiate Taekwondo athletes were randomly divided into a HIIT group (N.=16) or a high-intensity continuous running (HICR) group (N.=17). The HIIT group undertook(More)
The purpose of this study was to compare the gender differences in isokinetic hamstring to quadriceps (H/Q) and hip abductor to adductor (AB/AD) strength ratios at different angular velocities in collegiate taekwondo athletes. Thirty collegiate taekwondo athletes (15 females and 15 males) participated in this study. Maximal isokinetic hamstring and(More)
This study compared nutritional intake, body composition, bone mineral density, and isokinetic strength by dance type in collegiate female dancers. The study subjects included Korean dancers (n=12), ballet dancers (n=13), contemporary dancers (n=8), and controls (n=12). Nutritional intake was estimated using the Computer Aided Nutritional Analysis Program.(More)
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