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Comparison of some biomechanical spatial, temporal and velocity parameters in the judo Throwing techniques Osoto Gari and Uchi-Mata

The purpose of this study is to compare differences of some biomechanical parameters between Osoto gari and Uchi mata, which are very efficient throwing techniques and therefore frequently used in judo competitions. Both throwing techniques are demonstrated by a judo master and executed on 10 opponents. The results of the biomechanical analysis are showing significant differences between the two techniques in some of the analyzed parameters: the duration of the phases of throwing, the distance between the centers of gravity (CG) of Tori (thrower) and Uke (the thrown) and linear velocity of the ankle of the reaping leg. According to these results it appears that during the execution of Osoto gari technique the power produced by the reaping leg is larger in comparison to Uchi mata technique.

Judo, biomechanics, 3D analysis, Osoto Gari, Uchi Mata

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