Influence of baseball practice on strength ratios in shoulder rotator muscles: A new position for isokinetic assessment

Dupuis, Cedric; Tourny-Chollet, Claire; Delarue, Y.; Beuret-Blanquart, F.

doi:10.3233/ies-2004-0167

Cited by 6 publications

(3 citation statements)

References 52 publications

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“…Wilk et al 2002 [35] and Kibler 2003 [29] suggest to use concentric and eccentric ER strengthening exercises at the conclusion of a preventative and curative athlete's shoulder treatment to compensate for the weakness of the posterior girdle. They emphasize that an adequate compensatory strengthening of the antagonists (ER) does not seem to be detrimental to on-field performance [10]. We believe that preventive strengthening of the ER for concentric and eccentric contraction modes, while keeping the IR in shape, would avoid an agonist/antagonist imbalance, without harming the overall competitive performance.…”

Section: Pratical Applicationsmentioning

confidence: 97%

“…An imbalance of force between antagonist muscles triggers an abnormal excursion of the humeral head in the glenoid cavity, which can lead to impingement or instability [29]. More typical for purely concentric ratios, most studies have confirmed the relative weakness of the ER relative to the IR [5,8,10,28].…”

Section: Agonist/antagonist Ratiosmentioning

confidence: 99%

“…Measurement of isokinetic torque production remains the method of choice to assess peak muscle performance [6,7,8,9,10]. Quantitative establishment of the balance between the forces in rotator cuff muscles requires investigation of agonist/antagonist ratios [5].…”

Section: Introductionmentioning

confidence: 99%

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Isokinetic torque imbalances of shoulder of the french women's national water polo team

Olivier

Daussin

2019

Science & Sports

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Objective : Evaluate the shoulder isokinetic strength of high-level female water polo players. Methods : Two groups were compared: a control group of noncompetitive females (n=10), and members of the the french women's national water polo (n=18). Isokinetic measurements focused on the shoulder internal rotators (IR) and external rotators (ER), the evaluations were realized at 60°•s-1 and 240°•s-1 in the concentric mode and at 60°•s-1 in the eccentric mode. Agonist-antagonist ratios (ER/IR) were calculated using the same speed and contraction

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Section: Pratical Applicationsmentioning

confidence: 97%

Section: Agonist/antagonist Ratiosmentioning

confidence: 99%

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Isokinetic torque imbalances of shoulder of the french women's national water polo team

Olivier

Daussin

2019

Science & Sports

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The Effects of Kinesio Taping and Kettlebell Training on Shoulder Isokinetic Muscle Strength and Pitching Speed of Amateur Baseball Players

Jeon,

Lee,

Seon

et al. 2024

Asian J Kinesiol

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OBJECTIVES The purpose of this study was to investigate the effects of 6 weeks of kettlebell training and kinesio taping applied to amateur baseball players on throwing velocity and isokinetic strength.METHODS The subjects of this study were 17 young men with more than 2 years of experience as amateur baseball players. To determine the effect of kettlebell training and kinesio training on throwing velocity and isokinetic strength, subject were divided into three group: kettlebell and kinesio taping, baseball training group (KTBG), kinesio taping group and baseball training (TBG), baseball training group (BG). Three groups trained three times a week for six weeks, and differences in shoulder isokinetic strength and throwing velocity were analyzes from pre to post training.RESULTS In the KTBG group, significant changes in the isokinetic muscle function of the shoulder joint were observed over time in both extensor strength (p=0.042) and flexor strength (p=0.017) at 60°/sec, as well as in extensor strength (p=0.028) and flexor strength (p=0.002) at 180°/sec. In the TBG group, only flexor strength at 180°/sec (p=0.020) showed significant changes. In the BG group, no significant changes were observed over time. The group interaction effect on isokinetic muscle function was not statistically significant. There were no significant changes in pitching velocity over time, and no group interaction was observed.CONCLUSIONS Therefore, a combination of 6 weeks of kettlebell training and Kinesio taping can improve the isokinetic extensor and flexor strength of the shoulder joint. Applying Kinesio taping during training can enhance the isokinetic extensor strength (180°/sec) of the shoulder joint. However, this exercise did not result in an increase in pitching velocity, and no interaction effect was observed, indicating the need for further research.

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Joint position sense is not altered during shoulder medial and lateral rotations in female assembly line workers with shoulder impingement syndrome

Haik

Camargo

Zanca

et al. 2012

Physiotherapy Theory and Practice

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This study evaluated joint position sense (JPS) during medial and lateral rotations of the shoulder in female workers with and without shoulder impingement syndrome (SIS). Three groups were assessed. The case group consisted of 15 female assembly line workers (35.5, SD 5.8 years) with unilateral SIS. Control group 1 consisted of 15 female assembly line workers asymptomatic for SIS (34.4, SD 5.5 years) and control group 2 consisted of 15 female subjects (33.1, SD 6.2 years) asymptomatic for SIS and with no exposure to activities with the upper limbs. The JPS was evaluated bilaterally during passive (2°/sec) and active (5°/sec) repositioning tests using an isokinetic dynamometer. The target angles were 45° of lateral rotation (achieved by medially rotating the shoulder from 90° of lateral rotation) and 75° of lateral rotation (achieved by laterally rotating the shoulder from neutral rotation). There were no differences between sides for all groups (p > 0.05). There were no differences in any of the variables between the case group and the control groups (p > 0.05). The results of this study suggest that JPS during medial and lateral rotations of the shoulder is not altered in female assembly line workers with SIS.

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Influence of baseball practice on strength ratios in shoulder rotator muscles: A new position for isokinetic assessment

Cited by 6 publications

References 52 publications

Isokinetic torque imbalances of shoulder of the french women's national water polo team

Isokinetic torque imbalances of shoulder of the french women's national water polo team

The Effects of Kinesio Taping and Kettlebell Training on Shoulder Isokinetic Muscle Strength and Pitching Speed of Amateur Baseball Players

Joint position sense is not altered during shoulder medial and lateral rotations in female assembly line workers with shoulder impingement syndrome

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