Author(s): Shalom Abraham Jose, DJ Asath Ali Khan and Saran KS

Abstract:
Plyometric exercises are especially useful in sports that require speed strength. Speeds Strength is the ability to exerts. To maximal force during high speed movements sport that requires speeds strength include track and field jump, throwing & sprinting; volleyball & basketball (which require maximal jumping ability.) The ability to rapidly to apply force (reactive force) is the major goal of plyometric training. Plyometric are use to apply and overload to muscles speed strength goal. Plyometric training is considered to be more effectively used to improve performance in a wide variety of sports ranging form field events to volleyball. Plyometric training include bounces, hops, jumps, that significantly improve speed, explosive strength and aerobic power (Thomas 1988). The research sample numbered 34 examinees; it is drawn from the Junior and youth age level. The basic criteria for selections: all the examinees were experienced form= 5 years. They had all been training basketball for a period of four to six years; they all Participated as competitions in the various competitions; They all had five training sessions a week during the preliminary period, and the sessions lasted from 90 to 120 minutes; They were tested at the start and at the end of the experiment; All the basketball players were physically healthy and the data on the injured players was not used in the statistical analyses. By means, the examinees were divided into an experimental group, numbering 17 basketball players, and a control group numbering 17 players. Due to the nature of experiment, it was necessary that the data for the experimental and control group be gathered at both the initial and final measuring. For the purpose of analyzing the changes in the results for the dependent variables in the period between the initial and final measuring, the dependent sample test was used, and the relevance of the conclusions drawn was determined at the p< 0.05 levels for the data collected at the final measuring, the covariance analysis was used. The data had been shown graphically, using MS Excel and further processed with the SPSS Software for Windows. Researchers to find out the improvement of jumps through statistical treatment.

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