{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,24]],"date-time":"2026-04-24T16:55:48Z","timestamp":1777049748129,"version":"3.51.4"},"reference-count":38,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2014,3,19]],"date-time":"2014-03-19T00:00:00Z","timestamp":1395187200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100009986","name":"Sports Medicine Australia Research Foundation","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100009986","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Scandinavian Med Sci Sports"],"published-print":{"date-parts":[[2015,6]]},"abstract":"<jats:p>Patellar tendinopathy is the most common knee injury incurred in volleyball, with its prevalence in elite athletes more than three times that of their sub\u2010elite counterparts. The purpose of this study was to determine whether patellar tendinopathy risk factors differed between elite and sub\u2010elite male volleyball players. Nine elite and nine sub\u2010elite male volleyball players performed a lateral stop\u2013jump block movement. Maximum vertical jump, training history, muscle extensibility and strength, three\u2010dimensional landing kinematics (250\u2009Hz), along with lower limb neuromuscular activation patterns (1500\u2009Hz), and patellar tendon loading were collected during each trial. Multivariate analyses of variance (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05) assessed for between\u2010group differences in risk factors or patellar tendon loading. Significant interaction effects were further evaluated using post\u2010hoc univariate analysis of variance tests. Landing kinematics, neuromuscular activation patterns, patellar tendon loading, and most of the previously identified risk factors did not differ between the elite and sub\u2010elite players. However, elite players participated in a higher training volume and had less quadriceps extensibility than sub\u2010elite players. Therefore, high training volume is likely the primary contributor to the injury discrepancy between elite and sub\u2010elite volleyball players. Interventions designed to reduce landing frequency and improve quadriceps extensibility are recommended to reduce patellar tendinopathy prevalence in volleyball players.<\/jats:p>","DOI":"10.1111\/sms.12206","type":"journal-article","created":{"date-parts":[[2014,3,19]],"date-time":"2014-03-19T07:47:34Z","timestamp":1395215254000},"page":"308-314","source":"Crossref","is-referenced-by-count":13,"title":["Previously identified patellar tendinopathy risk factors differ between elite and sub\u2010elite volleyball players"],"prefix":"10.1111","volume":"25","author":[{"given":"I.","family":"Janssen","sequence":"first","affiliation":[{"name":"Biomechanics Research Laboratory Faculty of Science, Medicine &amp; Health University of Wollongong Wollongong New South Wales Australia"},{"name":"AIS Movement Science Australian Institute of Sport Canberra Australian Capital Territory Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. 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