Changes in Tibial Articular Cartilage T2 Relaxation Time with Load – An in vivo Repeatability Study
Katie Glynn Sofko1, Ibukunoluwa Elebute1, Lumeng Cui2, Natasha Bzowey1, and Emily J McWalter3
1Department of Mechanical Engineering, University of Saskatchewan, Saskatoon, SK, Canada, 2Department of Biomedical Engineering, University of Saskatchewan, Saskatoon, SK, Canada, 3Department of Mechanical and Biomedical Engineering, University of Saskatchewan, Saskatoon, SK, Canada
Tibial articular cartilage plays the important role of transmitting forces through the knee joint; however, we most often study it without any applied loads. The aim of this work was to assess the repeatability of T2 relaxation time maps in the unloaded and loaded knees of five healthy participants. Using qDESS, it is possible to obtain repeatable, in vivo T2 relaxation time maps of the entire tibial cartilage surface as well as inside and outside regions of tibiofemoral contact in both unloaded and loaded knees.
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