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Friday, September 25, 2009

Answers About Total Knee Replacement

By Dr. Stefan Tarlow

Have you tried everything to get some relief from your knee pain? If you are no stranger to braces, canes, cortisone injections, and other methods of dealing with knee pain, yet you still have knee pain, you may want to consider total knee replacement. This successful, time-tested method of eliminating knee pain and returning mobility may be exactly what you need.

Knee pain that interferes with the simplest activities - standing, sitting, walking, climbing stairs, and even resting - needs to be addressed decisively.

Total knee replacement surgery is one of the most popular surgeries in the world for good reason. This technique has been around since 1968. It was a boon for orthopedic surgery when it first came into use, and it has only improved in every way since that time. With modern techniques and top-of-the-line materials, over 581,000 patients a year are able to find relief from knee pain in the U.S.

Have you spoken with your orthopedic surgeon about knee replacement yet, or are you just starting to think about it? Either way, you are sure to find useful information in this article.

Click here for more on total knee replacement surgery .

Knee Anatomy - A Short Lesson

The shin bone, the knee cap, and the thigh bone are the main components of the knee. In medical terminology, these are called the tibia, the patella, and the femur. Your knee is in almost constant use, and it is the largest joint in your body. For these reasons, you are highly likely to injure your knee or experience some wear and tear at some point in your life.

The bones of the knee are held together and stabilized by ligaments. These are called the medial and lateral collateral ligaments and the anterior and posterior cruciate ligaments.

Another important part of the knee is the thigh muscle. If the thigh muscles are strong, the knee will also be strong and more stable.

The knee is padded with articular cartilage. It separates the bones, cushions them, and prevents them from grinding against each other. Having this smooth cushioning allows the parts of the knee to operate smoothly. Rings of cartilage called the lateral menisci stabilize the knee. These natural shock absorbers are fibrous and semicircular in shape.

All of the bones of the knee are lined with synovial membrane. This thin, smooth tissue makes a special lubricant that keeps all of the parts of the knee operating smoothly.

When perfectly balanced, the knee operates smoothly and efficiently. However, it is easy for the knee to suffer injury or become the victim of arthritis. When this happens, the balance is thrown askew. The result is pain and a loss of strength and mobility.

The average age of knee replacement patients is 60-80. But this is not a cut-off number. There have also been very young patients who have found relief from juvenile arthritis, as well as very old patients who have found relieve from degenerative arthritis. When you are evaluated as a candidate, your orthopedic surgeon will look at your level of disability and the amount of pain you are experiencing - not your age. - 17274

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