Abstract
The purpose of this study was to compare and analyze physical activity and blood components before and after the game in the libero of collage volleyball players and provide physiological information and the basis of scientific training design. The subjects of the study were 12 volleyball players in the libero position in A University located in Gwangju Metropolitan City, B University located in Jeollanam-do, and C University located in Gyeongsangnam-do. Blood was taken once each before and after the game and the characteristics of the game were analyzed using the polar system. Then, the characteristics of physical activity and the changes of blood components were analyzed in the libero before and after the five-set game. The conclusions were drawn as follows.BR First, the changes of blood components were analyzed in the libero before and after the game. As a result, there was a statistically significant decrease in the changes of TC(t=2.643, p.05), TRG(t=5.309, p.001), and NonHDL(t=2.220, p.05) before and after the game.BR Second, the correlation was analyzed to reveal the relationship between game performance characteristics and blood components in the libero. After the game, TC(p.01), HDL(p.05), LDL(p.01), and Non-HDL(p.05) were significantly correlated with calorie consumption and TRG was significantly correlated with average speed(p.05) and total distance(p.05). BR In conclusion, this study suggested the need of aerobic exercise and circuit weight training to improve the game performance of the libero in collage volleyball players.BR
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