Comparative Analysis on Skills of two-foot jumping and one-foot jumping in Volleyball-spiking

In view of the excellent results achieved by some athletes in the world,and of the principles of athletics biology,this article gives a comprehensive analysis of run-up jumping skills in the drop-shot of volleyball matches.The author argues that one-foot run-up jumping is more plausible advantageous,that one-foot run-up jumping can bring the athletes jumping ability into puller play,and that it provides for high-level athletes easier operation skills,at the some time bring new vital force for the development of strategies and innovation.