Arijit Putatunda, Mahendra Singh Chundawat


The purpose of the study is to compare the efficacy of closed and open kinetic chain exercises on development of explosive strength in lower extremity and to determine which mode of training resulted in the greatest performance enhancement. The case study incorporated randomly a total of seventy five college level players of different games, each aged between 19 to 24 years. The total seventy five players were randomly divided into equal three groups. Among these groups, two different groups were gone through closed chain kinetic and open chain kinetic exercises respectively and one group kept as control group. Progressive weight training thrice a week for 7 weeks scheduled. Necessary data was collected by administering standing broad jump performance prior to training and at the completion of the training period. Statistical technique Analysis of covariance test was applied to compare the efficacy between closed chain and open chain kinetic exercise at 0.05 level of significance, while significant changes were seen in the open kinetic chain group and close chain kinetic group. The closed kinetic chain group improved in .16 meters which was significantly more than the .08 meters seen in the open kinetic chain group. The result reveals close chain kinetic exercise mode of training resulted in the greatest strength development in lower extremity.


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closed chain kinetic exercise, open chain kinetic exercise, explosive strength, squats, lunges, leg extension, leg curl and lower extremity

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