{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,15]],"date-time":"2026-03-15T20:19:09Z","timestamp":1773605949730,"version":"3.50.1"},"reference-count":35,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2009,8,20]],"date-time":"2009-08-20T00:00:00Z","timestamp":1250726400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2009,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The purpose of the study was to compare a single\u2010row repair and a double\u2010row repair technique for the specific characteristics of a complete subscapularis lesion. Ten pairs of human cadaveric shoulder human shoulder specimens were tested for stiffness and ultimate tensile strength of the intact tendons in a load to failure protocol. After a complete subscapularis tear was provoked, the specimens were assigned to two treatment groups: single\u2010row repair (1) and a double\u2010row repair using a \u201csuture bridge\u201d technique (2). After repair cyclic loading a subsequent load to failure protocol was performed to determine the ultimate tensile load, the stiffness and the elongation behaviour of the reconstructions. The intact subscapularis tendons had a mean stiffness of 115\u00a0N\/mm and a mean ultimate load of 720\u00a0N. The predominant failure mode of the intact tendons was a tear at the humeral insertion site (65%). The double\u2010row technique restored 48% of the ultimate load of the intact tendons (332\u00a0N), while the single\u2010row technique revealed a significantly lower ultimate load of 244\u00a0N (<jats:italic>P<\/jats:italic> = 0.001). In terms of the stiffness, the double\u2010row technique showed a mean stiffness of 81\u00a0N\/mm which is significantly higher compared to the stiffness of the single\u2010row repairs of 55\u00a0N\/mm (<jats:italic>P<\/jats:italic> = 0.001). The double\u2010row technique has been shown to be stronger and stiffer when compared to a conventional single\u2010row repair. Therefore, this technique is recommended from a biomechanical point of view irrespectively if performed by an open or arthroscopic approach.<\/jats:p>","DOI":"10.1007\/s00167-009-0890-1","type":"journal-article","created":{"date-parts":[[2009,8,19]],"date-time":"2009-08-19T11:10:56Z","timestamp":1250680256000},"page":"1477-1484","source":"Crossref","is-referenced-by-count":36,"title":["Biomechanical evaluation of a single\u2010row versus double\u2010row repair for complete subscapularis tears"],"prefix":"10.1002","volume":"17","author":[{"given":"Mathias","family":"Wellmann","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery Hannover Medical School Anna von Borries Str. 1\u20106 30625 Hannover Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Philipp","family":"Wiebringhaus","sequence":"additional","affiliation":[{"name":"Department of Traumatology Hand\u2010 and Reconstructive Surgery University Hospital Muenster Waldeyerstr. 1 48149 Muenster Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ina","family":"Lodde","sequence":"additional","affiliation":[{"name":"Department of Traumatology Hand\u2010 and Reconstructive Surgery University Hospital Muenster Waldeyerstr. 1 48149 Muenster Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hazibullah","family":"Waizy","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Hannover Medical School Anna von Borries Str. 1\u20106 30625 Hannover Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christoph","family":"Becher","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Hannover Medical School Anna von Borries Str. 1\u20106 30625 Hannover Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael J.","family":"Raschke","sequence":"additional","affiliation":[{"name":"Department of Traumatology Hand\u2010 and Reconstructive Surgery University Hospital Muenster Waldeyerstr. 1 48149 Muenster Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wolf","family":"Petersen","sequence":"additional","affiliation":[{"name":"Department of Traumatology Martin\u2010Luther\u2010Hospital Berlin Caspar\u2010They\u00df\u2010Stra\u00dfe 27 14193 Grunewald, Berlin 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