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This is probably one of the most complete biomechanical studies made on the javelin throw. It is a PDF copy of a presentation made in Kuortaane 2009 by Finland expoert Riku VALLEALA . Starting from the factors affecting the throwing distance (Speeds, body posture ,angles , action of the right leg, duration of the delivery step, ground reactions, support leg, forces, knee flexion , pull distance and time , release height, kinetic chain, abduction/adduction of shoulder, elbow angle, path of the center of gravity) , the author finishes by drawing his conclusions. A document for advanced coaches .