Discussion on the training of run-up in the long jump

The determinant factors such as speed,techniques,strength and break-out force in the long jump decide the grades you get.The methods of the documentation and the comparative analysis have been applied to excellent men jumping athletes for comparing the degrees of 30M-and100M-running with that of the speed of run-up.The author also wants to find out scientific training proof,and puts forward some effective ways of training from three aspects: the correspondence of speed and steps,techniques of long jump and speed of run-up.