Figure 5.
Shear stress is produced when one articular surface passes over the other and at the bone/cartilage interface, where differences in compressive stiffness of tissues result in shear strain during high compressive loading (modified by Mosher TJ, from Basic Orthopedic Biomechanics VC Mow, WC Hayes (1997) Lippincott Williams & Wilkins Publishers; 2nd edition, p. 171)