| 摘要 |
PROBLEM TO BE SOLVED: To provide a golf club shaft fitting method of a shaft with further excellent performance by taking into consideration both the kick point rate and flex of the shaft.SOLUTION: A fitting method of a shaft of a golf club includes the steps of: obtaining measurement values from a sensor attached to a grip of a golf club and capable of measuring angular velocities about three axes when a golf ball is hit by the golf club; and measuring a face angle and an approach angle of a head of the golf club immediately before impact; determining timing of top and impact of a swing from the measurement values; selecting a shaft that matches a golfer, through a usage of at least two swing characteristic amounts obtained from the measurement values, and the measured face angle and approach angle, wherein a shaft suited for a golfer is preliminarily selected based on the measured values and on a relation C created using a pre-created correlation R between a hit-ball result and face angle and approach angle immediately before impact, and then a shaft is selected with a usage of the swing characteristic amounts. |
