作者: Keith Markolf , Mark Davies , Bojan Zoric , David McAllister
DOI: 10.1177/03635465030310050701
关键词: Orthopedic surgery 、 Tibia 、 Posterior Cruciate Ligament Reconstruction 、 Tibial tunnel 、 Fixation (histology) 、 Medicine 、 Posterior cruciate ligament 、 Cadaver 、 Tendon 、 Anatomy
摘要: BackgroundPosterior laxity occurring after posterior cruciate ligament reconstruction with a tibial tunnel could be related to thinning and permanent elongation of the graft as it is cyclically loaded in vivo.HypothesisThe orientation position bone block within will have significant effect on cyclic loading.Study DesignControlled laboratory study.MethodsIn test series 1 (27 fresh-frozen pairs), all blocks were positioned flush opening tunnel; was oriented facing posteriorly, whereas its pair tested anteriorly. In 2 (20 grafts posteriorly; had opening, recessed cm from opening.ResultsIn 1, 3 27 bloc...