Experimental analysis of balancing mechanism in a golf swing

(Balance in hitting direction and longitudinal direction)

Abstract

In a golf swing, a player is acted an inertial force due to the movement of the arm and the club during a swing. On the other hand, if countermeasures are not taken, the equilibrium of forces cannot be taken, and as a result, the player staggers. Therefore, this report examines how to balance a player from measurement experiments. In this research, we consider the balance mechanism by using the trajectory center of pressure, actual golf swings were measured using a three-dimensional motion analysis system and two force plates. And we analyzed for the hitting direction or the anteroposterior direction to evaluate mechanism of balance. From the measurement results, the inertial force caused by the swing motion and the inertial force due to the other motion are separated and estimated, and it is clarified how the respective forces affect the trajectory of center of pressure. As results, it was shown that movement of the trunk acts as an action to balance a player.