KINEMATICS OF UPPER LIMB AND TRUNK IN TENNIS PLAYERS USING FOREHAND STROKE

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The purpose of this study is to investigate the three-dimensional kinematics of the upper limb during tennis. Six male national representatives performed a tennis forehand stroke in the laboratory. A motion analysis system was used to collect the motion trajectories of the shoulder, elbow, and wrist joints and the trunk. Two back swing techniques, multisegment back swing and single-unit back swing, were compared. The results show that the multi-segment back-swing technique had larger elbow flexion velocity than singleunit back swing technique.