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Elastographic Imaging of Strain Distribution in the Anterior Cruciate Ligament and at the Ligament–bone Insertions by Jeffrey P. Spalazzi; Jason Gallina; Simon D. Fung‐Kee‐Fung; Elisa E. Konofagou; Helen H. Lu is a Medicine article available to read on EtoBox.

What is Elastographic Imaging of Strain Distribution in the Anterior Cruciate Ligament and at the Ligament–bone Insertions about?

## Abstract The anterior cruciate ligament (ACL) functions as a mechanical stabilizer in the tibiofemoral joint, and is the most commonly injured knee ligament. To improve the clinical outcome of tendon grafts used for ACL reconstructions, our long‐term goal is to promote graft–bone integration via the regeneration of the native ligament–bone interface. An understanding of strain distribution at this interface is crucial for functional scaffold design and clinical evaluation. Experimental determination, however, has been difficult due to the small length scale of the insertion sites. This study utilizes ultrasound elastography to characterize the response of the ACL and ACL–bone interface under tension. Specifically, bovine tibiofemoral joints were mounted on a material testing system and loaded in tension while radiofrequency (RF) data were acquired at 5 MHz. Axial strain elastograms between RF frames and a reference frame were generated using crosscorrelation and recorrelation techniques. Elastographic analyses revealed that when the joint was loaded in tension, complex strains with both compressive and tensile components occurred at the tibial insertion, with higher strains foun

Who reads Elastographic Imaging of Strain Distribution in the Anterior Cruciate Ligament and at the Ligament–bone Insertions?

Author

Jeffrey P. Spalazzi; Jason Gallina; Simon D. Fung‐Kee‐Fung; Elisa E. Konofagou; Helen H. Lu

Publisher

Elsevier Science; Wiley (John Wiley & Sons); Wiley-Blackwell; Wiley (ISSN 0736-0266)

Published

2006

Language

EN

Field

Medicine (Health Sciences)