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- 저자 : ( Hadi Kashani ) (검색결과 1 건)
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( Mehdi Shahbazi ),( Seyed Fardin Qeysari ),( Majid Nayeri ),( Hadi Kashani ),( Sima Dastamooz ) 국제태권도학회 2017 International Symposium for Taekwondo Studies Vol.2017 No.-
Purpose: The aim of this study was to examine the relationship between body type compo nents and age of peak growth (high peak speed) in the Iranian Junior Taekwondo national team. The peak height growth rate is an important variable for determining maturation in puberty that like other maturation factors is impacted by physical condition and human body type. Methods: Subjects were 1157 expert junior Taekwondo players (boys: n = 742, 10.59 ± 2 years, 145.09 ± 13.54 cm, 37.18 ± 11.06 kg; girls: n = 381, 11.18 ± 2.36 years, 147.92 ± 13.11 cm, 40.03 ± 13.31 kg). Somatotype data were calculated using Heath-Carter instruction, and PHV was measured using the Mirwald formula. Data was analyzed using Pearson cor relation and multiple regression analyses. Results: Results of the Pearson correlation analysis in boys revealed that PHV had a posi tive correlation with ectomorph and negative correlation with endomorph and mesomorph. Total correlation between PHV and somatotype was 0.09, which explained the 0.081 of PHV variance. Results of the regression analysis showed ectomorph and endomorph were significant predictors (ectomorph more than endomorph) of PHV, but mesomorph was not a significant predictor of PHV in the girls group. Results showed that PHV and PWV had no significant relation with body composition. The regression model was: Y = 12.46-0.06a-0.04m-0.07e. Conclusions: These results indicate that endomorph and ectomorph had a significant role in predicting age of PHV, but mesomorph was not significant.
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