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Isokinetic performance of shoulder external and internal rotators in judo and karate female elite athletes
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1
Esteban Aedo-Muñoz, Pablo Merino Muñoz, Luciano Bernardes Leite, Pedro Forte, Bianca Miarka, Matias Gonzalez Valenzuela, Cristian Hernandez-Wimmer, David Arriagada-Tarifeño, Ciro José Brito
(2024)
Do Elite Female Judokas Show Asymmetry in the Internal and External Rotators of the Shoulder? A One-Dimensional and Principal Component Approach
Biomechanics, 4(4)
10.3390/biomechanics4040054Isokinetic performance of shoulder external and internal rotators in judo and karate female elite athletes
University of Novi Sad, Medical Faculty, Novi Sad, Serbia
University of Novi Sad, Faculty of Sport and Physical Education, Novi Sad, Serbia
University Union – Nikola Tesla, Faculty of Sport, Belgrade, Serbia
University of Novi Sad, Faculty of Sport and Physical Education, Novi Sad, Serbia
High School - International Center of Professional Studies, Belgrade, Serbia
University of Novi Sad, Faculty of Sport and Physical Education, Novi Sad, Serbia
University of Novi Sad, Faculty of Sport and Physical Education, Novi Sad, Serbia
University of Novi Sad, Faculty of Sport and Physical Education, Novi Sad, Serbia
University of Novi Sad, Faculty of Sport and Physical Education, Novi Sad, Serbia
University of Novi Sad, Faculty of Sport and Physical Education, Novi Sad, Serbia
University of Novi Sad, Faculty of Sport and Physical Education, Novi Sad, Serbia
Abstract
The aim of this study was to determine the isokinetic profile of shoulder internal and external rotators in judo and karate female elite athletes.; Methods: Study sample consisted of senior 13 female karate athletes (21.23 ± 2.83 years) and 13 female judokas (21.00 ± 2.51 years). For testing the isokinetic muscle strength of the external and internal rotation of the shoulder joint, the HUMAN NORM isokinetic dynamometer has been used. Testing the maximum muscle strength of subjects was carried out at an angular speed of 60º / sec and 180 º / sec; Results: Judo female athletes had higher isokinetic peak torque for right and left shoulder internal rotators than karate athletes at 60º/s and 180º/s, with a large effect size, Cohen’s d = 0.89, 1.02, 0.97, 0.95, respectively. Also, large differences were observed between the judo and karate subjects in peak muscle torques of the right shoulder external shoulder rotator muscles of both limbs were greater in judokas than karate athletes. Isokinetic testing should be an integral part of training process in combat sports because in order to decrease the number of injuries and improve performance.
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