Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/62333
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dc.contributorDepartment of Rehabilitation Sciences-
dc.creatorLeong, HT-
dc.creatorHug, F-
dc.creatorFu, SN-
dc.date.accessioned2016-12-19T09:00:13Z-
dc.date.available2016-12-19T09:00:13Z-
dc.identifier.urihttp://hdl.handle.net/10397/62333-
dc.language.isoenen_US
dc.publisherPublic Library of Scienceen_US
dc.rights© 2016 Leong et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.en_US
dc.rightsThe following publication: Leong HT, Hug F, Fu SN (2016) Increased Upper Trapezius Muscle Stiffness in Overhead Athletes with Rotator Cuff Tendinopathy. PLoS ONE 11(5): e0155187 is available at https://doi.org/10.1371/journal.pone.0155187en_US
dc.titleIncreased upper trapezius muscle stiffness in overhead athletes with rotator cuff tendinopathyen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.volume11en_US
dc.identifier.issue5en_US
dc.identifier.doi10.1371/journal.pone.0155187en_US
dcterms.abstractAlthough excessive tension of the upper trapezius (UT) is thought to contribute to rotator cuff tendinopathy, no study examined UT tension in athletes with and without rotator cuff tendinopathy. Here we used UT shear modulus measured using ultrasound shear wave elastography as an index of muscle stiffness/tension. The aims of this study were twofold: 1) to determine whether the UT muscle shear modulus is altered in athletes with rotator cuff tendinopathy compared to asymptomatic athletes, and 2) to detect optimal cut-off points of UT shear modulus in identifying athletes with rotator cuff tendinopathy. Forty-three male volleyball players (17 asymptomatic and 26 with rotator cuff tendinopathy, mean age = 22.9 +/- 3.5 years) participated in the study. UT shear modulus was quantified during active arm holding at 30 degrees and 60 degrees of shoulder abduction and passive arm positioning at 0 degrees, 30 degrees and 60 degrees of shoulder abduction. During the active tasks, the UT shear modulus was higher in athletes with rotator cuff tendinopathy than the asymptomatic athletes (p = 0.002), regardless the arm position. During the passive tasks, athletes with rotator cuff tendinopathy exhibited a higher UT shear modulus than asymptomatic athletes only at 0 degrees of shoulder abduction (13.0 +/- 2.5 kPa vs 10.2 +/- 1.8 kPa, p = 0.001). When considering the active task, an optimal cut-off shear modulus of 12.0 kPa at 30 degrees of shoulder abduction (sensitivity = 0.84, specificity = 0.57, AUC = 0.757, p = 0.008) and 9.5 kPa at 60 degrees of shoulder abduction (sensitivity = 0.88, specificity = 0.67, AUC = 0.816, p = 0.002) was detected. When considering the passive task at 0 degrees of shoulder abduction, a cut-off of 12.2 kPa was found (sensitivity = 0.73, AUC = 0.817, p = 0.001). Findings from the present study show that monitoring passive and active UT muscle shear modulus may provide important information for the prevention/rehabilitation of rotator cuff tendinopathy.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationPLoS one, 2016, v. 11, no. 5, e0155187-
dcterms.isPartOfPLoS one-
dcterms.issued2016-
dc.identifier.isiWOS:000376576700047-
dc.identifier.pmid27159276-
dc.identifier.eissn1932-6203en_US
dc.identifier.rosgroupid2015003841-
dc.description.ros2015-2016 > Academic research: refereed > Publication in refereed journalen_US
dc.description.validate201810_a bcmaen_US
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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