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http://dx.doi.org/10.5103/KJSB.2014.24.4.339

Kinetic Analysis of the Lower Body Joints on Golf Swing  

Chang, Jae-Kwan (Department of Golf Management, College of Physical Education, Kyunghee University)
Ryu, Jae-Kyun (Department of Coaching, College of Physical Education, Kyunghee University)
Publication Information
Korean Journal of Applied Biomechanics / v.24, no.4, 2014 , pp. 339-347 More about this Journal
Abstract
The purpose of this study was to investigate joint torques of lower body segments on professional golfers. Three dimensional swing analysis was conducted on the seven subjects. Each subject was asked to swing with 45 inches of Callaway driver, where two force plates (9286AA, Kistler, Switzerland) were built, with his normal speed and tempo. The resultant joint moments of the lower extremities were computed using the kinematic variables of the segments, anthropometric measures and the ground reaction force data by inverse dynamics method. Based on the results of this study, the following conclusions were drawn; It was found that the left ankle joint torque at 3rd phase was increased toward extension on the X-axis and abduction on the Y-axis. The left knee joint torque was alternated from flexion to extension direction in order to lower down the body weight at the beginning of the downswing. The lumbar joint torque was alternated from flexion to extension in order to speed up the upper body rotation which could increase the club head speed ultimately.
Keywords
Golf; Joint Torque; Ground Reaction Force; Impact;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
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