Training strategy of explosive strength in young female volleyball players

Objective: The aim of this study was to examine the effect of an 8-week combined jump and ball throwing training program in the performance of upper and lower extremities among young female volleyball players of the high school.
Materials and methods: A total of 20 young female volleyball players playing at Scholar Sport in High School at the district level were divided in two groups: the experimental group (n = 10; 14.0 ± 0.0 years; 1.6 ± 0.1 m; 52.0 ± 7.0 kg and 20.7 ± 2.4% body mass) and the control group (n = 10; 13.8 ± 0.4 years, 1.6 ± 0.1 m; 53.5 ± 4.7 kg and 20.3 ± 1.7% body mass). The experimental group received additional plyometric and ball throwing exercises besides their normal volleyball practice. The control group underwent only their regular session of training.
Results: Strength performance in the experimental group significantly improved (medicine ball and volleyball ball throwing: P = 0.00; and counter movement jump: P = 0.05), with the improvement ranging from 5.3% to 20.1%. No significant changes in strength performance were observed in the control group (P > 0.05).
Conclusions: The 8-week combined jump and ball throwing training can significantly improve muscular performance in young female volleyball players. These findings may be useful for all physical education teachers and volleyball coaches.