摘要：The purpose of the present study was to find the effect of plyometric training, isotonic and combination of plyometric and isotonic training on, leg strength and muscular endurance. For this purpose, forty male students studying in the studying Bachelor of Physical Education in the Department of Physical Education and Sports Sciences, Annamalai University, Annamalainagar, Tamilnadu, in the age group of 18 – 23 years were selected as subjects. They were divided into four equal groups, each group consisted of ten subjects, in which group – I underwent plyometric training, group – II underwent isotonic training group, group – III underwent combined plyometric and isotonic training and group – IV acted as control group. The training period for this study was three days in a week for twelve weeks. Prior and after the training period the subjects were tested for leg strength and muscular endurance. The selected criterion variables, such as, leg strength and muscular endurance, were tested by administering, 50 meters dash and sit-ups test. The statistical toll used for this study is analysis of covariance (ANCOVA). Whenever the F ratio was significant, the Scheffé S was applied as post-hoc test. From the result of the study, it was concluded that all the training groups have improved leg strength, and muscular endurance.
