| 摘要 |
<p>A high speed camera takes an image in the vicinity of a ball and a club head, while a high speed camera takes an image in the vicinity of the top of the swing of a golfer, and the images are recorded in a high speed video tape recorder. The recorded images are reproduced, swing time, a swing speed and a head speed are detected using a personal computer, and a shaft with an optimum flex for the golfer is selected based on the swine time, the swing speed, the swing time and the head speed, or the swing speed and the head speed.</p> |
