Coordination of lower extremity multi-joint control strategies during the golf swing |
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| Affiliation: | 1. Department of Exercise Science, California Lutheran University, Thousand Oaks, CA 91360, USA;2. Departments of Biological Sciences and Biomedical Engineering, University of Southern California, Los Angeles, CA 90089, USA;1. EA4660, C3S Health – Sport Department, Sports University, Besancon, France;2. LAAS-CNRS, Université de Toulouse, CNRS, Toulouse, France;3. Professional Cycling Team FDJ, Moussy le Vieux, France;1. Department of Systems and Control Engineering, Tokyo Institute of Technology, Tokyo, Japan;2. Artificial Intelligence Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Tokyo, Japan;3. Faculty of Sport and Health Science, Ritsumeikan University, Kusatsu, Shiga, Japan;4. Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China;5. Northwestern University Prosthetics-Orthotics Center, Northwestern University Feinberg School of Medicine, Chicago, IL, USA;6. Jesse Brown VA Medical Center, Chicago, IL, USA;1. Musculoskeletal Analysis Laboratory, Department of Exercise Science, University of Memphis, Memphis, TN, United States;2. Kevin P. Granata Biomechanics Laboratory, Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, VA, United States;3. VCU RUN LAB, Departments of Physical Therapy and Kinesiology & Health Sciences, Virginia Commonwealth University, Richmond, VA, United States;1. Department of Mechanical Engineering, Kyung Hee University, 17104, Republic of Korea;2. Division of Sports Science, Konkuk University, 27478, Republic of Korea;3. Department of Applied Mathematics, Kyung Hee University, 17104, Republic of Korea |
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| Abstract: | This study aimed to understand how players coordinate the multi-joint control strategies of the rear and target legs to satisfy the lower extremity and whole-body mechanical objectives during the golf swing when hitting shots with different clubs. Highly skilled golf players (n = 10) performed golf swings with a 6-iron and a driver. Joint kinetics were calculated using ground reaction forces and segment kinematics to determine net joint moments (NJMs) during the interval of interest within the downswing. Between club difference in NJMs and 3D support moments were compared across the group and within a player. Although player-specific multi-joint control strategies arose, players generally increased target leg ankle, knee, and hip NJMs when hitting with the driver while maintaining the relative contribution to the 3D support moment. Multi-joint control strategies used to control the target and rear legs were found to be different, yet the majority of the 3D support moment was produced by NJMs about an axis perpendicular to the leg planes. These results emphasize the importance of recognizing how an individual player coordinates multi-joint control from each leg, and highlights the need to design interventions that are player and leg specific to aid in improving player performance. |
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| Keywords: | Moment Torque Joint kinetics Net joint moment 3D support moment Leg plane Multi-joint control |
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