Abstract
Introduction The anterior cruciate ligament (ACL) is one of the most commonly injured ligaments in humans and its reconstruction is one of the most common orthopaedic surgeries [Steckel, 2007]. According to current literature, up to 25 % of all surgical outcomes using a single bundle technique are suboptimal [Zelle, 2006]. As the human ACL contains at least two bands including the anteromedial (AMB) and posterolateral bands (PLB) [Butler, 1992], the rationale for double bundled ACL reconstruction is justified [Steckel, 2007]. The porcine ACL consists of two bands [Fuss, 1991] and is very similar in structure to the human ACL [Xerogeanes, 1998]. However, the biomechanics of the porcine ACL bands have not been investigated. With the recent xenografting of the porcine patellar tendon as a human anterior cruciate ligament [Stone, 2007], the viability of the porcine ACL as a human ACL graft has greatly improved. The aim of this research is to compare the biomechanical properties of the intact porcine anterior cruciate ligament with that of its anteromedial and posterolateral bands.
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