{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,15]],"date-time":"2026-03-15T09:02:03Z","timestamp":1773565323968,"version":"3.50.1"},"reference-count":24,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2004,4,1]],"date-time":"2004-04-01T00:00:00Z","timestamp":1080777600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2004,4,1]],"date-time":"2004-04-01T00:00:00Z","timestamp":1080777600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arthroscopy"],"published-print":{"date-parts":[[2004,4]]},"abstract":"Abstract<\/jats:title>\n \n Purpose<\/jats:title>\n The purpose of this study was to evaluate the relationship between insertion torque and the biomechanical characteristics of soft tissue tendon graft tibia fixation with a bioabsorbable interference screw.<\/jats:p>\n <\/jats:sec>\n \n Type of Study<\/jats:title>\n Biomechanical study.<\/jats:p>\n <\/jats:sec>\n \n Methods<\/jats:title>\n \n Doubled tibialis anterior allografts (n = 20, length = 100 mm, diameter = 9 mm) prepared for anterior cruciate ligament (ACL) reconstructions were divided into 3 groups. Maximum insertion torque was measured as grafts were fixed by the same surgeon with a 10\u2010mm diameter, 35\u2010mm long screw in a 7\u2010mm diameter tunnel (dilated to 9 mm) created in either 0.16 or 0.32 g\/cm\n 3<\/jats:sup>\n dense synthetic bone or cadaveric tibiae (0.84 \u00b1 0.15 g\/cm\n 2<\/jats:sup>\n ). Tensile testing to construct failure was then performed.\n <\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n \n All constructs failed by tunnel pullout. Higher density synthetic bone had greater load at failure than lower density synthetic bone (486.6 \u00b1 83.8\n v<\/jats:italic>\n 271.6 \u00b1 52.6 N,\n P<\/jats:italic>\n < .0001) and a slightly greater proportion of variance could be explained in synthetic bone (R\n 2<\/jats:sup>\n = 0.74,\n P<\/jats:italic>\n < .0001) than in cadaveric tibiae (R\n 2<\/jats:sup>\n = 0.64,\n P<\/jats:italic>\n = .017). Higher density synthetic bone displayed greater stiffness than lower density synthetic bone (68.1 \u00b1 21.6\n v<\/jats:italic>\n 37.7 \u00b1 11.2 N\/mm,\n P<\/jats:italic>\n = .012) and a higher proportion of variance could be explained in cadaveric tibiae (R\n 2<\/jats:sup>\n = 0.72,\n P<\/jats:italic>\n = .008) than in synthetic bone (R\n 2<\/jats:sup>\n = 0.48,\n P<\/jats:italic>\n = .012). Greater insertion torque levels were seen in higher density synthetic bone (2.97 \u00b1 0.35\n v<\/jats:italic>\n 1.24 \u00b1 0.06 Nm,\n P<\/jats:italic>\n < .0001) than in lower density synthetic bone, and a higher proportion of variance could be explained in synthetic bone (R\n 2<\/jats:sup>\n = 0.94,\n P<\/jats:italic>\n < .0001) than in cadaveric tibiae (R\n 2<\/jats:sup>\n = 0.74,\n P<\/jats:italic>\n = .006).\n <\/jats:p>\n <\/jats:sec>\n \n Conclusions<\/jats:title>\n Strong relationships were evident between insertion torque, bone mineral density (BMD) and load to failure across constructs. Differences between the synthetic bone groups and cadaveric tibiae, however, suggest the influence of mixed cortical and cancellous bone, nonuniform structural patterning, and differing BMD levels and distributions in the cadaveric tibiae.<\/jats:p>\n <\/jats:sec>\n \n Clinical Relevance<\/jats:title>\n Soft tissue graft tibial tunnel fixation is directly related to insertion torque and BMD. Synthetic models with mixed bone characteristics are needed to more accurately depict human tibiae during fixation testing.<\/jats:p>\n <\/jats:sec>","DOI":"10.1016\/j.arthro.2004.01.026","type":"journal-article","created":{"date-parts":[[2004,4,3]],"date-time":"2004-04-03T05:19:28Z","timestamp":1080969568000},"page":"379-384","source":"Crossref","is-referenced-by-count":36,"title":["Insertion torque pullout strength relationship of soft tissue tendon graft tibia tunnel fixation with a bioabsorbable interference screw"],"prefix":"10.1002","volume":"20","author":[{"given":"John","family":"Nyland","sequence":"first","affiliation":[{"name":"Frazier Rehabilitation Institute Louisville Kentucky USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yavuz","family":"Kocabey","sequence":"additional","affiliation":[{"name":"Division of Sports Medicine Department of Orthopaedic Surgery University of Louisville Louisville Kentucky USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David N.M","family":"Caborn","sequence":"additional","affiliation":[{"name":"Division of Sports Medicine Department of Orthopaedic Surgery University of Louisville Louisville Kentucky USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2004,4,1]]},"reference":[{"key":"e_1_2_2_2_1","doi-asserted-by":"publisher","DOI":"10.1177\/03635465000280051501"},{"key":"e_1_2_2_3_1","doi-asserted-by":"publisher","DOI":"10.1177\/03635465010290051401"},{"key":"e_1_2_2_4_1","doi-asserted-by":"publisher","DOI":"10.1177\/03635465000280031201"},{"key":"e_1_2_2_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0749-8063(98)70117-3"},{"key":"e_1_2_2_6_1","first-page":"43","article-title":"Pullout strength of power\u2010 and hand\u2010driven staples in synthetic bone: Effect of design parameters","volume":"6","author":"Firoozbakhsh K.K.","year":"1992","journal-title":"J Orthop 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