Stiffness of trabecular bone of the tibial plateau in patients with rheumatoid arthritis of the knee

On the influence of mechanical conditions in osteochondral defect healing

“…Such remodeling influences the mechanical stiffness of the subchondral structure (Van Rietbergen et al, 1998). A substantially stiffer subchondral bone layer may be the onset of late tissue degeneration (Yang et al, 1997;Jackson et al, 2001). In this respect, the initial macroscopical impression of a healed cartilage layer after 12 weeks does not resemble the healing status of the osteochondral composite.…”

Prediction of local proximal tibial subchondral bone structural stiffness using subject-specific finite element modeling: Effect of selected density–modulus relationship

“…In situ macro-indentation testing-the preferred method for determining subchondral bone mechanical properties from various articulating bones, including the proximal tibia (Finlay et al, 1989;Harada et al, 1988;Johnston et al, 2011;Little et al, 1986;Yang et al, 1997) -may provide relevant assessments of the required E-BMD equations for input into proximal tibial FE models. In situ macro-indentation testing involves mechanical testing directly at the subchondral surface, typically with a flat cylindrical indentor (generally 3 to 4 mm in diameter), and is essentially a test of local structural stiffness.…”

The Effect of Bone Quality on the Stability of Ankle Arthrodesis. A Finite Element Study

“…Age and disease affect bone quality because changes in the structure and composition of bone result in changes in its mechanical properties 6,11,16,17,20,32,33 Achieving optimal clinical performance of orthopaedic devices used under such circumstances is challenging. Poor bone quality is common in patients who have ankle arthrodesis.…”