Adopting the training methods of the super-equilength strength and according to the features of the hurdle race,the authors have the athletes practise jumping-depth and jumping-up continuously,and ascertain the effect of the jumping methods on the athletes′ grades and physical abilities through the comparative experiments.

Physiological Analysis of Plyometrics;

Documents and analysis study shows that the effective method of power training should have an accelerative characteristic throughout a muscle concentric contract movement And plyometrics training has the characteristic Furthermore,the most effective power training ought to be considered a perfect combination between traditional barbell weight training and plyometric

The application of how to use on arms and legs train is also introduced,which can be as one of the theoretic evidence of ploymetric training.

By means of a review of the researches about ploymetric contract principle,this paper discovered the particularity of ploymetric training modelshould be decided by the difference of objects strength basis, training level,body weight, training load.

In order to apply it scientifically on athletic training in practice for professionals engaged in athletic training and students majored in physical education, Using the method of summarizing literature and professional logic analyses, this article analyzes and discusses Super-equal-length exercises physiological mechanism and exercise effect.

The main reason why the plyometric contraction represents a both economical and efficient characteristic is due to the process of producing, storing and using of the elastic energy and effect of reflex regulation from the central nerve system.