Biomechanical Characterisation Of Articular Cartilage Across Synovial Joint

Liew, Guo Ren (2015) Biomechanical Characterisation Of Articular Cartilage Across Synovial Joint. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Osteoarthritis (OA) is a degenerative disease of articular cartilage, which is normally affected by middle aged and senior citizen group. This disease is a common long term condition which can result in an ongoing loss of quality of life. The cause of OA is still not yet fully understood. The normal cartilage is known to be an excellent bearing material that provides a smooth, lubricated surface for articulation and to facilitate the transmission of loads with a low frictional coefficient. In previous experimental studies, most of the researchers used the small specimen of cartilage in order to represent the whole cartilage to conduct the experiment. The main focus of this study is to investigate the biomechanical behavior of articular cartilage across bovine synovial joint. The bovine’s synovial joint cartilages were used for this study because it is easier to get compared to the human cartilage. By using the indentation tests, performed in situ in order to measure cartilage thickness on the difference location of the articular cartilage. The computational method is also used for this study to investigate the biomechanical behavior of articular cartilage across the synovial joint. The thickness found in the present study are within the similar range when compared to the previous study. The FE model was modeled according to the cartilage thickness measured from indentation test in order to simulate pore pressure and contact pressure of the cartilage. From this study, it is concluded that thickness affects the biomechanical behavior of articular cartilage. The pore pressure and contact pressure increases as the thickness of the articular cartilage increased.

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