THE COMPARISON OF KINETIC AND KINEMATIC PARAMETERS OF TWO TYPES OF VERTICAL SQUAT JUMP AND COUNTER MOVEMENT JUMP

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HEMAT FAR A.; BEHPOUR N.; HASSANVAND R.

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Journal: JOURNAL OF SPORT BIOSCIENCE RESEARCHES Year:2011 | Volume:1 | Issue:2 Page(s): 19-27

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Title

THE COMPARISON OF KINETIC AND KINEMATIC PARAMETERS OF TWO TYPES OF VERTICAL SQUAT JUMP AND COUNTER MOVEMENT JUMP

Author(s)

HEMAT FAR A. | BEHPOUR N. | HASSANVAND R. | Issue Writer Certificate

Keywords

SQUAT VERTICAL JUMPINGQ2

VERTICAL JUMPING WITH CONTRARY MOVINGQ2

DYNAMOMETERQ2

FORCEPLATEQ2

Abstract

Introduction: Biomechanical analysis of vertical jump is necessary for determining the best jumping method with high mechanical efficiency. This is clear that jumping method is significant in record and result. The purpose of this study is to compare the kinetic and kinematic parameters of two kinds of vertical jump: SQUAT VERTICAL JUMPING and jumping with contrary motion.Methods: for this reason among 16 Esfahan Zobe Ahan youth (13-17years) players, 11 volunteers having 14.64±1.28 age, 179.55±7.6 h.cm, 66.58±8.7 m.kg. and length of lower extremity 84.36±3.1 cm participated in research. The comparison of these two kinds of jumping was done by DYNAMOMETER. The subject performed two methods of vertical jump on faceplate, and the best result for everybody was recorded. In squat jump the subject’s knees are put in a situation while having 120 degrees and he jumped from this position with extending his knees. Meanwhile in vertical jump of the contrary movement, the subject after being stayed on faceplate and flexed his knees in good position while extending his knees immediately jumped vertically. The independent T-statistical method and Pearson correlation coefficient were used for analyzing data in the meaningful level (P≤%5).Results: A meaningful difference was observed between vertical reaction force, (p=0.03), rate (p=0.05) and height (p=0.01) in both jumping types, these three factors in vertical jumping with contrary motions were more than squat jumping, thus significant relationship is observed between rate of takeoff and height.Conclusion: as a result it can be concluded that the record of vertical jumping with contrary motion is better than SQUAT VERTICAL JUMPING.

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APA: Copy

HEMAT FAR, A., BEHPOUR, N., & HASSANVAND, R.. (2011). THE COMPARISON OF KINETIC AND KINEMATIC PARAMETERS OF TWO TYPES OF VERTICAL SQUAT JUMP AND COUNTER MOVEMENT JUMP. JOURNAL OF SPORT BIOSCIENCE RESEARCHES, 1(2), 19-27. SID. https://sid.ir/paper/240484/en

Vancouver: Copy

HEMAT FAR A., BEHPOUR N., HASSANVAND R.. THE COMPARISON OF KINETIC AND KINEMATIC PARAMETERS OF TWO TYPES OF VERTICAL SQUAT JUMP AND COUNTER MOVEMENT JUMP. JOURNAL OF SPORT BIOSCIENCE RESEARCHES[Internet]. 2011;1(2):19-27. Available from: https://sid.ir/paper/240484/en

IEEE: Copy

A. HEMAT FAR, N. BEHPOUR, and R. HASSANVAND, “THE COMPARISON OF KINETIC AND KINEMATIC PARAMETERS OF TWO TYPES OF VERTICAL SQUAT JUMP AND COUNTER MOVEMENT JUMP,” JOURNAL OF SPORT BIOSCIENCE RESEARCHES, vol. 1, no. 2, pp. 19–27, 2011, [Online]. Available: https://sid.ir/paper/240484/en

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