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Shoulder range of motion and strength in young competitive tennis players with and without history of shoulder problems

To assess the effect of a history of shoulder problems on the shoulder flexibility and strength in young competitive tennis players. Cross-sectional study. Ninety-one competitive and asymptomatic tennis players aged between 8 and 15 years old were divided into two groups according to the presence or...

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Bibliographic Details
Published in:Physical therapy in sport 2018-05, Vol.31, p.22-28
Main Authors: Gillet, Benoît, Begon, Mickaël, Diger, Marine, Berger-Vachon, Christian, Rogowski, Isabelle
Format: Article
Language:English
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Summary:To assess the effect of a history of shoulder problems on the shoulder flexibility and strength in young competitive tennis players. Cross-sectional study. Ninety-one competitive and asymptomatic tennis players aged between 8 and 15 years old were divided into two groups according to the presence or absence of a history of shoulder problems. Glenohumeral joint ranges of motion and the strength of eight shoulder muscles were bilaterally assessed. Five agonist/antagonist muscle strength ratios were also reported. Ranges of motion, strengths and strength ratios were bilaterally compared between the two groups. Players with a history of shoulder problems presented a higher total arc of rotation for both glenohumeral joints (p = 0.02) and a lower external/internal glenohumeral rotator muscle strength ratio (p = 0.02) for both sides. They also presented stronger upper trapezius (p = 0.03) and dominant serratus anterior (p = 0.008) muscles than players without a history of shoulder problems. Having a history of shoulder problems may alter the balance between mobility and stability within the shoulder complex suggesting that particular attention should be given to dominant and non-dominant shoulder functions by coaches and clinicians. •A wide range of flexibility of the glenohumeral joint.•An imbalance between rotator muscles of the glenohumeral joint.•An excessive strength of upper trapezius.
ISSN:1466-853X
1873-1600
DOI:10.1016/j.ptsp.2018.01.005