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- Title
BIOMECHANIC CLASSIFICATION OF NAGE-WAZA THROWING TECHNIQUES (II).
- Authors
POP, IOAN-NELU; GOMBOS, LEON; PRODEA, COSMIN
- Abstract
At the first glimpse all throwing techniques can seem different as regarding their form, but a scientific analysis reveals that every throwing technique is a combination of general and particular characteristics. General characteristics are those main actions, which can be found in a large number of techniques, while particular characteristics stop at data level. A bio-mechanic analysis of throwing techniques cannot ignore the problem of rational classification for successive stages: simplification first; generalization and elevating to a principle for all throwing categories. For the principle of simplification of the force class problem, which we are dealing with, the KANO differentiating model will be used, i.e. the subdivision of the throwing motion in three stages. TUKURI - all preparatory movements, meant to prepare the loss of balance of UKE and the positioning of the body of TORI for the throwing. KUZUSHI - the action of the balance loss forces and the direction and final orientation. KAKE - final execution of the movement in order to perform the throwing and UKE analysis, by simplifying the secondary forces, then moving towards generalizing the categories of forces the KAKE phase is subject to. This method used by Attilio Sacripanti in his paper "Biomecanica del JUDO" allowed that the throwing techniques be grouped from a bio-mechanical point of view in two groups based on two execution mechanisms of the technical procedures: a) Techniques where TORI uses a FORCE COUPLE in order to throw UKE, b) Techniques where TORI uses the force moment (lever) in order to throw UKE. The classification of the NAGE-WAZA throwing techniques based on the force couple and lever principle is the classification based on scientific support, which analyses the directions of the forces, static analysis, and the pathway of UKE's body during the throwing phase (flying phase), dynamic analysis, as well as the symmetries of the bio-dynamic group of the athlete couple TORI and UKE.
- Subjects
JUDO throws; SPORTS biomechanics; ATHLETE physiology; PHYSICAL fitness; HUMAN mechanics
- Publication
Studia Universitatis Babes-Bolyai, Educatio Artis Gymnasticae, 2014, Vol 59, Issue 2, p133
- ISSN
1453-4223
- Publication type
Article