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British Journal of Sports Medicine logoLink to British Journal of Sports Medicine
. 2000 Feb;34(1):39–43. doi: 10.1136/bjsm.34.1.39

Isokinetic performance and shoulder mobility in elite volleyball athletes from the United Kingdom

H Wang 1, A Macfarlane 1, T Cochrane 1
PMCID: PMC1724158  PMID: 10690449

Abstract

Objectives—To evaluate the differences in strength and mobility of shoulder rotator muscles in the dominant and non-dominant shoulders of elite volleyball players.

Methods—Isokinetic muscle strength tests were performed at speeds of 60 and 120°/s, and shoulder mobility was examined in ten players from the England national men's volleyball squad. The subjects also completed a questionnaire that included a visual prompt and analogue pain scale.

Results—The range of motion of internal rotation on the dominant side was less than that on the non-dominant side (p<0.01). The average peak strength at 60°/s external eccentric contraction was lower than that of internal concentric contraction in the dominant arm, but was higher in the non-dominant arm. Six of the ten subjects reported a shoulder problem, described as a diffuse pain located laterally on the dominant shoulder.

Conclusions—These elite volleyball players had a lower range of motion (internal rotation) and relative muscle imbalance in the dominant compared with the non-dominant shoulder.

Key Words: volleyball; shoulder; rotator muscles; isokinetic testing; muscle imbalance

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Selected References

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