A: Total joint replacement is a surgical procedure in which parts of an arthritic or damaged joint are removed and replaced with a metal, plastic or ceramic device called a prosthesis. The prosthesis is designed to replicate the movement of a normal, healthy joint.
Knee and hip replacements are the most commonly performed joint replacements, but replacement surgery can be performed on other joints, as well, including the ankle, wrist, shoulder, and elbow.
A joint is where the ends of two or more bones meet. There are different types of joints within the body. For example, the knee is considered a “hinge” joint, because of its ability to bend and straighten like a hinged door. The hip and shoulder are “ball-and-socket” joints, in which the rounded end of one bone fits into a cup-shaped area of another bone.
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