Different centre of pressure patterns within the golf stroke II: group-based analysis.
Although the golf coaching literature stresses the importance of weight transfer during the swing, research has been conflicting or lacking statistical support. A potential problem with previous studies is that no attempt was made to account for different movement strategies in the golf swing. This study evaluated the relationship between centre of pressure measures and club head velocity within two previously identified swing styles, the "Front Foot" and "Reverse" styles. Thirty-nine Front Foot golfers and 19 Reverse golfers performed swings with a driver while standing on two force plates. From the force plate data, centre of pressure displacement, velocity, range, and timing parameters were calculated. Correlation and regression analysis indicated that a larger range of centre of pressure and a more rapid centre of pressure movement in the downswing was associated with a larger club head velocity at ball contact for the Front Foot group. For the Reverse golfers, positioning the centre of pressure further from the back foot at late backswing and a more rapid centre of pressure transfer towards the back foot at ball contact was associated with a larger club head velocity at ball contact. This study has highlighted the importance of identifying different movement strategies before evaluating performance measures, as different parameters were found to be important for the Front Foot and Reverse styles.
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Biomechanics Unit, Centre for Ageing, Rehabilitation, Exercise and Sport Victoria University, Melbourne, VIC, Australia. kevin.ball@vu.edu.au
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D000328:Adult; D016000:Cluster Analysis; D006055:Golf; D006801:Humans; D008297:Male; D008875:Middle Aged; D009068:Movement / Q000502:physiology*; D004856:Postural Balance / Q000502:physiology*; D019876:Sports Equipment; D013647:Task Performance and Analysis; D014739:Victoria; D016474:Weight-Bearing / Q000502:physiology*