Abstract
The purpose of study was to find out the effects of different surface of plyometric training on speed of junior volley ball players. To achieve the purpose of the study, thirty school girls’ from Jai Gopal Garodia Government higher secondary school, Madhavaram, Chennai, Tamilnadu were selected as subjects at random and their age group range between 12 to 14 years. The study was formulated as pre and post test random group design, in which thirty subject were divided into three equal groups. The experimental group-1 (n=10, SS-PT) underwent sand surface plyometric Training. The experimental group-2 (n=10, NS-PT) underwent normal surface plyometric training and group 3 served as control group (n=10, CG) did not undergo any specific training. In this study, two training programme were adopted as independent variable, i.e., sand surface plyometric training, normal surface plyometric training. The speed was chosen as a dependent variable, it was tested by 30 meters run and scores recorded in seconds. The selected two treatment group’s namely sand surface plyometric training and normal surface plyometric training was performed three days in a week for the period of six weeks, as per the stipulated training program. The selected performance parameters were collected before and after the training period. The collected pre and post data was critically analyzed with apt statistical tool of analysis of co-variance, for observed the significant adjusted post-test mean difference of three groups with respect to each parameter. The Scheffe’s post hoc test was used to find out pair-wise comparisons between groups with respect to each parameter. To test the hypothesis 0.05 level of significant was fixed
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