出版社：Nigde University School of Physical Education and Sports
摘要：This study was conducted to investigate the effects of lower extremity fat ratios on race time in university triathletes. The study was carried out with a total of 43 (17 women and 26 men ) volunteer athletes who participating and completed the competition in the 9th World Universities Triathlon Championships (age 22,30±2,42 year, height 172,76±16,08 cm, body weight 64,79±9,93 kg). Bioelectrical impedance analysis method (BIA) was used in the evaluation of body composition and lower limb segmental analysis (Tanita BC 418). Measurements were performed before the competition in a fasting condition with shorts and t-shirts. The athletes were competed in Olympic triathlon distance (1.5 km swimming, 40 km cycling, and 10 km running) at a temperature of 40° C. The SPSS 16.0 statistical program was used in the calculation and evaluation of the data. According to the test of normality results, the Pearson correlation analysis was used to explain the relationship between the measurements. The linear regression analysis was employed to determine the effects of lower extremity fat rate on race time. This study investigating the effect of lower extremity fat ratio on race time revealed that lower extremity fat ratio has a significant effect on running, cycling and total race time; except for swimming, at p<0.001 level. The regression results have shown that running, cycling and total race time have a statistically significant relationship respectively with fat mass (r = 0.699, r = 0.781, r = 0.807), fat percentage (r = 0.711, r = 0.868, r = 0.866), fat-free mass (r = -0.492, r = -0.741, r = -0.681) and muscle mass (r = -0.497, r = -0.748, r = -0.687) at p<0.001 level. As a result, it was concluded in this study that lower extremity fat percentage, fat mass, fat-free and muscle mass are important variables to predict the running, cycling and total race time for college triathletes. The lower extremity fat-free mass and muscle mass showed a negative correlation with running, cycling and total racing time, and the fat mass and fat percentage showed a positive correlation. It was also shown that these variables had no effect on swimming time. Accordingly, it can be said that the contribution of running and cycling time to total racing time is more than that of the swimming time. However, as the lower extremity fat mass and fat percentage decrease, total race time of athletes shortens and accordingly their performance is likely to be affected positively. Keywords: Skinfold, Thigh, Calf, Body Composition, Triathlon, Performance.
