平行棒の後方棒上抱え込み2回宙返り下りに関する形態学的一考察

概要

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In a gymnastic competition, The finish of the exercise is developed rapidly in recent years. Double Salto backward tucked to dismount over the parallel bars is the C part for the difficulty on the exercises of the parallel bars. Double Salto backward tucked to dismount over the parallel bars was performed in the world championsips of gymnastics at the years 1962 by Raiho for the first time. but was failed. Ueda was successful in Japan at the years 1966. It will be used frequently by gymnasts for the future. This experiment was designed to analyze position on release of grasp, and so I studied on the following data; Track of toe tips, knees, hips and shoulders. Velocity of revalution on upper trunk. Velocity curves on toe tips. Change of angles on hips, upper trunks and shoulders. Results obtained in this study were as fallows Trained gymnasts showed that angles of hips were large, angles of upper trunks were large and shoulders leaned backward on release of grasp. We suppose that Double Sulto backward tucked to dismount over the parallel bars will be performed with a position of stoop and with a stretch of the body for the future.