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THE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS

A Journal on Applied Physiology, Biomechanics, Preventive Medicine,
Sports Medicine and Traumatology, Sports Psychology


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The Journal of Sports Medicine and Physical Fitness 2018 Jan 10

DOI: 10.23736/S0022-4707.18.07973-2

Copyright © 2018 EDIZIONI MINERVA MEDICA

language: English

Are there bilateral isokinetic shoulder rotator differences in basketball male players?

Thierry WEISSLAND 1 , Maryne COZETTE 1, Clare DOYLE 2, Antoine GABRION 3

1 Laboratoire de Recherche Adaptations Physiologiques à l'Exercice et Réadaptation à l'Effort, EA-3300, UFR-STAPS, Université de Picardie Jules Verne, Amiens, France; 2 Institut de Formation de Masso-Kinésithérapie La Musse, Saint Sébastien de Morsent, France; 3 Service de Chirurgie Orthopédique et Traumatologie, Centre Hospitalier Universitaire, Amiens, France


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BACKGROUND: The internal (IR) and external (ER) rotator shoulder strength are often assess in the upper limb sports to prevent a risk of injuries. The purpose of this comparative study was to measure the agonist/antagonist balance of shoulder strength and to determine whether significant differences exist between the dominant and nondominant sides in basketball players compared to a control groups.
METHODS: During the championship, 23 elite male-basketball players (BB) and 23 healthy males (CG) were tested bilaterally on a Cybex Norm isokinetic dynamometer in a seated position with 45° shoulder abduction in the scapular plane at 60°.s-1 and 180°.s-1 in concentric (CON) and 60°.s-1 in eccentric (ECC) modes.
RESULTS: No significant differences were found for normalized values to body weight (N.m/kg-1) between the both groups and ER/IR, ECC/CON and functional deceleration ratios were similar. BB have a bilateral difference with higher ER of the dominant side comparatively to the opposite (P<0.05).
CONCLUSIONS: Unlike other sports that increase the performance of IR dominant side, the basketball player isokinetic profile could indicate a strengthening in the external rotators of the dominant side. This bilateral difference could be explained by the repetition of the specific movements in the ball control but this was not large enough for the ER/IR ratios to be significantly different with CG. The ratios analysis does not report an imbalance associated with a high risk of shoulder injuries.


KEY WORDS: Rotator cuff strength - Strength imbalance - Muscular testing

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Publication History

Article first published online: January 10, 2018
Manuscript accepted: January 4, 2018
Manuscript revised: December 22, 2017
Manuscript received: July 19, 2017

Cite this article as

Weissland T, Cozette M, Doyle C, Gabrion A. Are there bilateral isokinetic shoulder rotator differences in basketball male players? J Sports Med Phys Fitness 2018 Jan 10. DOI: 10.23736/S0022-4707.18.07973-2

Corresponding author e-mail

thierry.weissland@u-picardie.fr