抄録
The purpose of this study was to understand characteristic of three-dimensional ground reaction forces in the golf swing. Eight right-handed professional golfers used their own drivers to hit standard golf balls in our laboratory. The swing motions were recorded using a 3D optical motion capturing system with a 200Hz frame rate, and three-dimensional ground reaction forces were captured by two force plates operating at 1000Hz on the floor of laboratory. Also, the center of pressure during the golf swing was measured. The angular velocity of the hips and the velocity of left hand were calculated as kinematic data. As for the results, movements of the center of pressure of both feet were small. The vertical ground reaction force in the right foot showed greatest when the hip changed the direction. On the other hand, maximum vertical ground reaction force for the left foot showed at the impact.
