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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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Published in: | Physical therapy in sport 2018-05, Vol.31, p.22-28 |
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Main Authors: | , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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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. |
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ISSN: | 1466-853X 1873-1600 |
DOI: | 10.1016/j.ptsp.2018.01.005 |