{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T12:47:16Z","timestamp":1791895636310,"version":"4.3.4"},"reference-count":38,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2020,10,8]],"date-time":"2020-10-08T00:00:00Z","timestamp":1602115200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Scandinavian Med Sci Sports"],"published-print":{"date-parts":[[2021,2]]},"abstract":"<jats:p>Shoulder problems are common in volleyball and greatly impede both training and player performance. Subacromial bursa (SAB) thickening and tendon neovascularity have shown relevance in other populations, but their relationship with the development of shoulder complaints has not been investigated in volleyball players or overhead\u2010throwing athletes. The study aim was to examine the role of SAB thickness, neovascularization of the supraspinatus tendon, shoulder strength, range of motion (ROM), player position, and age in the development of shoulder complaints in professional volleyball players. Players underwent preseason baseline testing (n\u00a0=\u00a086) and reported shoulder complaints during the subsequent 12\u2010week period. Generalized estimating equations were used to model for probabilities of complaints after adjusting for player position, SAB side\u2010to\u2010side difference, neovessel presence, shoulder external rotation (ER) ROM, and age. Outside hitters and opposites were 12.2\u2010fold more likely to develop complaints, and greater shoulder ER ROM increased risk by 8% for each additional degree. A side\u2010to\u2010side difference in SAB thickness \u22650.3\u00a0mm in the dominant compared with the non\u2010dominant arm was associated with a 10.2\u2010fold increased risk. Those with neovessels were 6.5 times more likely to develop complaints. Players without neovessels and with normal SAB thickness were very unlikely to develop complaints. This stark contrast to players with neovessels or increased SAB thickness, where nearly half of the players developed complaints, is of interest. Players with current complaints at baseline presented with greater IR:ER strength ratios; however, neither strength nor IR ROM at baseline was associated with an increased risk of developing complaints.<\/jats:p>","DOI":"10.1111\/sms.13831","type":"journal-article","created":{"date-parts":[[2020,9,23]],"date-time":"2020-09-23T14:29:47Z","timestamp":1600871387000},"page":"480-488","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Shoulder complaints more likely in volleyball players with a thickened bursa or supraspinatus tendon neovessels"],"prefix":"10.1111","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1204-0427","authenticated-orcid":false,"given":"Christopher","family":"Skazalski","sequence":"first","affiliation":[{"name":"Aspetar Orthopaedic and Sports Medicine Hospital  Doha Qatar"},{"name":"Department of Sports Medicine Oslo Sports Trauma Research Center Norwegian School of Sport Sciences  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