6850 W. Centennial Drive, Tinley Park, IL 60477
Phone (708) 429-3455 /  Fax (708) 429-3422

Specialties: Total Knee Arthroplasty

What is a Knee Replacement Surgery?

Knee replacement, also called arthroplasty, is a surgical procedure to replace a damaged knee with a prosthesis (an artificial joint). This surgery may be considered for someone who has severe arthritis or a severe knee injury.

The goal of knee replacement surgery is to replace the parts of the knee joint that have been damaged and to relieve knee pain that cannot be controlled by other treatments.

Other related procedures that may be used to help diagnose joint disorders include x-ray, joint aspiration, bone scan, magnetic resonance imaging (MRI), computed tomography (CT scan), arthroscopy, and arthrography. Please see these procedures for additional information.

Anatomy of the Knee

Joints are the areas where two or more bones meet. Most joints are mobile, allowing the bones to move. Basically, the knee is two long leg bones held together by muscles, ligaments, and tendons. Each bone end is covered with a layer of cartilage that absorbs shock and protects the knee.

There are two groups of muscles involved in the knee, including the quadriceps muscles (located on the front of the thighs), which straighten the legs, and the hamstring muscles (located on the back of the thighs), which bend the leg at the knee.

Tendons are tough cords of connective tissue that connect muscles to bones. Ligaments are elastic bands of tissue that connect bone to bone. Some ligaments of the knee provide stability and protection of the joints, while other ligaments limit forward and backward movement of the tibia (shin bone).

The knee consists of the following:

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Last Modified: June 24, 2014