THE COMPARISONAMONGTHE EFFECT OF THREE MODELS OF PLYOMETRIC ON ELECTROMYOGRAPHINDEXES

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KORDI M.R.

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Journal Paper

Paper Information

Journal: OLYMPIC Year:2004 | Volume:12 | Issue:2 (SERIAL 26) Page(s): 37-52

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Title

THE COMPARISONAMONGTHE EFFECT OF THREE MODELS OF PLYOMETRIC ON ELECTROMYOGRAPHINDEXES

Author(s)

KORDI M.R. | Issue Writer Certificate

Keywords

DEPTH JUMPS

ELECTROMYOGRAPHY

JUMPING BOX

AMPLITUDE

FREQUANCY

Abstract

The purpose of this study is a comparison among th effect of three models of plyometric training (depth jump) on electromyograph indexes (Amplitude and frequancy) of Rectus femoris and Vastus medialis muscles in 16-18 year old athletes. In this study, 45 students from physical education and sport sciences high school were selected randomly and divide into 3 groups of 15 after perfroming the ability tests for participating in depth jump training. All 3 groups participated in 16 sessions depth jump training, it should be noted that the method of depth jump training was different for each group.The subjects of group A exercised bouncing DEPTH JUMPS (BDJ) or (DJ- H/T), group B did counter movement jumps (CMJ) or (DJ-H) and as for-groupC the same exercises of group B were performed wearing weight jackets (CMWJ) or (DJ-W/H). The height of the box and vertical jump were equal for all groups (40& 70 CM .An EMG was used for measuring the ELECTROMYOGRAPHY indexes. This mesurements were done in three phase before training, in the middle of training ( after the 8th session) and after training. The results of the variance phase showed that regarding the aimed variables only the changed in group A that were related to the electromyography indexes were significant from a statistical point of view and there was no significant difference seen in this. index between the other groups during the above mentioned phase analysis test (ANOVA) in comparison with the average of ELECTROMYOGRAPHY indexes ( AMPLITUDE and frequancy of the muscles in this study) in the 3 study

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APA: Copy

KORDI, M.R.. (2004). THE COMPARISONAMONGTHE EFFECT OF THREE MODELS OF PLYOMETRIC ON ELECTROMYOGRAPHINDEXES. OLYMPIC, 12(2 (SERIAL 26)), 37-52. SID. https://sid.ir/paper/529248/en

Vancouver: Copy

KORDI M.R.. THE COMPARISONAMONGTHE EFFECT OF THREE MODELS OF PLYOMETRIC ON ELECTROMYOGRAPHINDEXES. OLYMPIC[Internet]. 2004;12(2 (SERIAL 26)):37-52. Available from: https://sid.ir/paper/529248/en

IEEE: Copy

M.R. KORDI, “THE COMPARISONAMONGTHE EFFECT OF THREE MODELS OF PLYOMETRIC ON ELECTROMYOGRAPHINDEXES,” OLYMPIC, vol. 12, no. 2 (SERIAL 26), pp. 37–52, 2004, [Online]. Available: https://sid.ir/paper/529248/en

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