engleski

Comparative kinematic analysis of teaching and competitive performance of the osoto-gari throw

There are different throwing techniques in judo, but also different ways of performing the same throws. For example, a teaching performance of some judo throw is above all characterized by good technical demonstration, emphasizing the practical demonstration of spatial actions of particular body parts. Contrariwise, the basic objective of the same throw, when performed as a competitive technique, is to surprise the opponent and enable his symbolic destruction. The purpose of this paper was to determine the biomechanical similarities and differences between the teaching and competitive performance of the osoto-gari throw. Data gathered by 3D cinematic analysis showed the biggest differences in fi rst phase of this throw, which takes signifi cantly less time in the competitive variant than in the teaching one, in order to prevent the opponent's reaction. In the latter phases, differences have been less marked, since in both techniques it is necessary to produce and realize the suffi cient amount of push and swing, necessary to off-balance the opponent.

Judo, biomechanics, 3D analysis, Osoto Gari

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