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The aim of this anatomical study was to investigate the morphology of delaminated rotator cuff tears. We hypothesized that delamination zones at the intersection of the supraspinatus and infraspinatus tendon fibers are the origin of articular\u2010side degenerative rotator cuff tears. Forty anatomical specimens were evaluated in this study. The supraspinatus and infraspinatus muscles were dissected, the origins were meticulously worked out and followed to their insertions at the humeral head. Fiber exchanges, overlays and delamination zones between the supraspinatus and infraspinatus muscles were photographically documented and measured. Delamination of rotator cuff tears can be classified into articular\u2010side and bursal\u2010side tears. The articular\u2010layer consists of capsuloligamentous tissue, which included the rotator\u2010cable\/rotator\u2010crescent complex, the joint capsule and a small part of the supraspinatus tendon. The bursal\u2010side layer represents the tendinous tissue, which consists of the parallel, tendinous parts of the supraspinatus and infraspinatus muscles. Delamination of rotator cuff tears can be classified into articular\u2010side and bursal\u2010side tears. Present model of degenerative tears might explain the high prevalence of articular\u2010side tears, which expand into the rotator\u2010cable\/rotator\u2010crescent complex. It may be important for surgeons to incorporate these anatomical findings and considerations into the surgical planning.<\/jats:p>","DOI":"10.1002\/ca.23810","type":"journal-article","created":{"date-parts":[[2021,11,15]],"date-time":"2021-11-15T06:19:08Z","timestamp":1636957148000},"page":"194-199","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Delamination in rotator cuff tears: Explanation of etiology through anatomical dissection"],"prefix":"10.1002","volume":"35","author":[{"given":"Gilbert M.","family":"Schwarz","sequence":"first","affiliation":[{"name":"Department of Orthopedics and Trauma\u2010Surgery Medical University of Vienna  Vienna Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tobias","family":"Nitschke","sequence":"additional","affiliation":[{"name":"Division of Anatomy and Cell Biology Medical University of Vienna  Vienna Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5194-9118","authenticated-orcid":false,"given":"Lena","family":"Hirtler","sequence":"additional","affiliation":[{"name":"Division of Anatomy and Cell Biology Medical University of Vienna  Vienna Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,11,22]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1053\/jars.2002.32930"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1186\/s13018-016-0407-9"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-199274050-00010"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.15557\/JoU.2012.0005"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.85B1.13846"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1058-2746(05)80031-X"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.mric.2012.01.007"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2013.08.021"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.L.00708"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/ca.23671"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.I.00686"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF01624517"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11547-010-0571-7"},{"key":"e_1_2_9_15_1","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.G.00427"},{"key":"e_1_2_9_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/S1058-2746(09)80114-6"},{"key":"e_1_2_9_17_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546516667498"},{"key":"e_1_2_9_18_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546504273053"},{"key":"e_1_2_9_19_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-016-4148-4"},{"key":"e_1_2_9_20_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0218715"},{"key":"e_1_2_9_21_1","doi-asserted-by":"publisher","DOI":"10.1067\/mse.2002.122272"},{"key":"e_1_2_9_22_1","doi-asserted-by":"publisher","DOI":"10.1067\/mse.2001.112882"}],"container-title":["Clinical Anatomy"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/ca.23810","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1002\/ca.23810","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/ca.23810","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,8,17]],"date-time":"2023-08-17T05:25:05Z","timestamp":1692249905000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/ca.23810"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,11,22]]},"references-count":21,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2022,3]]}},"alternative-id":["10.1002\/ca.23810"],"URL":"https:\/\/doi.org\/10.1002\/ca.23810","archive":["Portico"],"relation":{},"ISSN":["0897-3806","1098-2353"],"issn-type":[{"value":"0897-3806","type":"print"},{"value":"1098-2353","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,11,22]]},"assertion":[{"value":"2021-09-26","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2021-11-10","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2021-11-22","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}