Articular cartilage, a connective tissue that helps in lubrication and load distribution in diarthrodial joints, is thought to be biphasic, i.e., it consists of a porous solid phase in which exists a fluid phase that is mostly water (Mow et al., 1980). Unlike most tissues, the fluid phase is thought to play a significant role in the behavior of cartilage under loading and is considered to be one of the factors responsible for the many unique biomechanical and wear resistant properties that the tissue possesses. The current work seeks to quantify the contribution of the fluid phase to the load bearing capability of articular cartilage and determine how that changes from normal to repair articular cartilage.

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