| 摘要 |
PROBLEM TO BE SOLVED: To provide a golf club swing analysis method, a swing analysis system and a swing analysis program for easily calculating and analyzing a position of a marker on a head when performing a swing analysis from an image photographed with a camera.SOLUTION: The golf club swing analysis method includes: a step for preparing a golf club 34; a step for attaching a marker 38 to a head 34a; a step for photographing the head 34a with a camera CM1 in a plurality of postures and acquiring a plurality of basic head images; a step for, based on the basic head images, calculating a position of the marker 38 in a head coordinate system that uses the head 34a as a reference as basic marker position information; a step for photographing a swing at a predetermined timing and acquiring one head image for analysis; and a step for calculating at least one of a position and a posture of the head 34a at the predetermined timing in a real space from the position of the marker 38 inside the one head image for analysis based on the basic marker position information. |
