Analysis of the joint kinematics of the 5 iron golf swing
Healy, Aoife and Moran, Kieran and Dickson, Jane and Hurley, Cillian and Haahr, Mads and O'Connor, Noel E. (2009) Analysis of the joint kinematics of the 5 iron golf swing. In: ISBS 2009 - 27th International Society of Biomechanics in Sports Conference, 17-21 August 2009, Limerick, Ireland.
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The purpose of this study was to identify the performance determining factors of the 5-iron golf swing. Joint kinematics were obtained from thirty male golfers using a twelve camera motion analysis system. Participants were divided into two groups, based on their ball launch speed (high vs. low). Those in the high ball speed group were deemed to be the more skillful group. Statistical analysis was used to identify the variables which differed significantly between the two groups, and could therefore be classified as the performance determining factors. The following factors were important to performance success: (i) the ability of the golfer to maintain a large X Factor angle and generate large X Factor angular velocity throughout the downswing, (ii) maintain the left arm as straight as possible throughout the swing, (iii) utilise greater movement of the hips in the direction of the target and a greater extension of the right hip during the downswing and (iv) greater flexion of both shoulders and less left shoulder internal rotation during the backswing.
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