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The purpose of this study was to provide players with more advanced skill and coaches with dynamical fundamental material through kinematical analysis on Tai-otoshi movement as skills with hands. To reach the purpose, it is implemented three times against four students majoring in Judo in H university during over eight years and divided into 4 phases by selecting the most ideal type. The study acquired kinematical variables through three dimension of image analysis and used a program of SIMI MOTION Corporation in such material process in process of material analysis. The result acquired based on angle analysis on left and right elbow, shoulders in the important phase of whole phases to do Mechigi is as follow.1. Angle Variable1) During using Tai-otoshi skill in KP phase, it was observed that AㆍBㆍCㆍD players' left elbow angle was 110.6±15.9˚, left shoulder angle 111.8±10.1˚,and it was observed that right elbow angle was 96.1±15.4˚, right shoulder angle 73.7±8.0˚2. Velocity Variable1) In X axis KP phase, it was observed that AㆍBㆍCㆍD players' left elbow velocity was -1.27±0.39m/s, left shoulder velocity -1.02±0.27m/s, and it was observed that right elbow velocity was 0.56±0.68m/s, right shoulder velocity -0.29±0.32m/s.2) In Y axis KP phase, it was observed that AㆍBㆍCㆍD players' left elbow velocity was -2.25±0.44m/s, left shoulder velocity -1.51±0.33m/s, and it was observed that right elbow velocity was -1.83±0.52m/s, right shoulder velocity -1.51±0.26m/s.3) In Z axis KP phase, it was observed that AㆍBㆍCㆍD players' left elbow velocity was 0.06±0.83m/s, left shoulder velocity 0.2±0.31m/s, and it was observed that right elbow velocity was -0.33±0.48m/s, right shoulder velocity -0.05±0.23m/s.