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http://dx.doi.org/10.9718/JBER.2007.28.2.187

The Analysis of GRF during Golf Swing with the Slopes  

Moon, G.S. (Institute of Medical Eng., Yonsei Univ.)
Choi, H.S. (Dept of Biomed. Eng., Graduate School, Yonsei Univ.)
Hwang, S.H. (Dept of Biomed. Eng., Graduate School, Yonsei Univ.)
Kim, Y.H. (Institute of Medical Eng., Yonsei Univ.)
Publication Information
Journal of Biomedical Engineering Research / v.28, no.2, 2007 , pp. 187-194 More about this Journal
Abstract
The purpose of this study is to determine the characteristics of ground reaction force(GRF) in golf swing for various slopes of flat lie and uphill lies of 5 and 10 degrees. Five right-handed professional golfers were selected for the experiment and the 7 iron club was used. We used four forceplates to measure GRF and synchronized with the three-dimensional motion analysis system. Results showed that slope did not affect the total time for golf swing, but the time until the impact had a tendency to slightly increase for the uphill lie(p<0.05). The medial-lateral GRF of the right foot increased toward the medial direction during back swing, but less increases were found with the angle of uphill lie(p<0.05). The GRF of the left foot increased rapidly toward the medial direction at the uncocking and the impact during down swing, but decreased with the increase in the angle of uphill lie(p<0.05). The anterior-posterior GRF of both feet showed almost the same for different slopes. With the slopes, the vertical GRF of the right foot increased, but the vertical GRF of left foot decreased(p<0.05). Uphill lies would have negative effect to provide the angular momentum during back swing, restricting pelvic and trunk rotations, and to provide the precise timing and strong power during down swing, limiting movements of body's center of mass. The present study could provide valuable information to quantitatively analyze the dynamics of golf swing. Further study would be required to understand detailed mechanism in golf swing under different conditions.
Keywords
golf swing; uphill; slope;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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