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The knee is the largest joint in the body, and it plays an essential role in movement related to normal daily activities. The knee joint also provides stability and strength to support the weight of the body.

There are three bones that form the knee joint: the lower end of the femur (thighbone), the upper end of the tibia (shinbone), and the patella (kneecap). The bones of the knee joint are stabilized and connected by fibrous tissue called ligaments. These ligaments work with the muscles, bones, and tendons to allow the knee to bend and straighten. The ends of the femur and tibia along with the back of the patella are covered with a flexible tissue called articular cartilage which helps the bones of the knee joint glide smoothly across each other. The meniscus is a cartilage that acts as a cushion between the femur and tibia to help absorb the forces between the bones during daily normal activities. Finally, the knee joint is enclosed by a capsule that has a tough outer membrane and an inner synovial membrane which produces a lubricating synovial fluid to help reduce joint friction and wear.

Knee pain can be the result of injury, disease, or biomechanical problems. Since physical fitness and sports activities are integral to living a healthy lifestyle, injuries to the knee can occur quite frequently among all age groups.

Nonsurgical options are often the first-line approach for treatment in the early stages of knee pain. There is a wide range of nonsurgical treatment options available to help alleviate knee pain, increase joint function and mobility, and reduce symptoms. The choice of treatment should be a mutual decision made between the healthcare provider and the patient.

Total knee replacement is one of the most common and successful surgical procedures performed. In a total knee replacement surgery, the damaged portions of the joint are removed and replaced with prosthetic components. More than 600,000 knee replacements are performed each year in the United States with over 90% of patients having good results from the surgery (1) (2). The decision to have total knee replacement surgery should be a mutual decision between the patient and the surgeon. The recommendation to move forward with surgery is based upon a patient’s pain and disability along with the influence it has on quality of life and daily activities. Most patients who undergo a total knee replacement are between the ages of 50-80. More than 90% of patients who have total knee replacement surgery experience a significant improvement in the ability to perform normal daily activities and experience a dramatic decrease in pain (3). Download the Knee Pre-Op PDF below for more detailed information.

It is important to restore knee motion and strength after a total hip replacement. The recovery and rehabilitation process play a crucial role in helping the patient resume an active, pain-free lifestyle. A gradual return to everyday activities along with exercise can help restore normal knee motion post-surgery. It is important for the patient to be committed to the recovery and rehabilitation goals as the patient’s commitment during this process can greatly improve the chances of long-term success. Download the Knee Post-Op PDF below for more detailed information.

How do I know if I need a total knee replacement?

If you have tried nonsurgical treatments and are still experiencing knee pain or if your pain is preventing you from performing daily normal activities, discuss total knee replacement surgery with your healthcare provider. Your healthcare provider can assess your current diagnosis and determine if a total knee replacement is a good option for you and your lifestyle.

How old is the average patient that has a total knee replacement?

Most patients who undergo total knee replacement surgery are between the ages of 50-80 with the average patient being 68. With the recent improvements in the design of knee implants and the implant material, more active and younger patients are receiving a total knee replacement and achieving long-lasting results with superior functionality (4). 

How will I benefit from a total knee replacement?

After surgery and rehabilitation, the benefits of a total knee replacement may include:

• Reduction in joint pain and stiffness

• Improved range of motion

• Increased knee stability 

How long will my knee replacement last?

Most knee implants last an average of 20 years. The implant may loosen, or experience wear based upon the lifestyle of the patient and the demands on the implanted joint.

Will my knee replacement set off metal detectors?

It is unlikely, but possible, that your knee replacement will set off a metal detector. To take precaution, alert the appropriate security staff that you have a knee replacement.

Do I need to take precautions to protect my knee replacement?

To protect and extend the life of your knee replacement you may want to:

• Participate in light exercise to maintain strength and mobility

• Avoid falls and injuries

• Do not complete dental work in the first three months after surgery 

• Alert all doctors, including your dentist, that you have a total knee replacement

• Complete routine follow-up examinations with your healthcare provider

Can I have an MRI after my knee replacement surgery?

An MRI (magnetic resonance imaging) is a diagnostic tool that can be used for many types of medical conditions, including orthopedic problems. After your knee replacement surgery you will not be able to have a clear MRI of your knee implant. If an MRI is needed, you can have an MRI completed on other parts of your body but you will want to be sure to alert the MRI personnel about your knee implant.

What type of exercises/activities should I avoid after my knee replacement?

It is best to avoid any exercise that will cause impact to your joint replacement. Consult your surgeon to determine which activities you should avoid, and if you can introduce new exercises or activities during your rehabilitation period.

How can I find a local surgeon that performs total knee replacement surgery?

Please click here to find a surgeon near you that uses Ortho Development knee products.

Greg Paul | Patient Profile

Greg Paul is a 62 year old entrepreneur from Utah. He is an avid hiker, climber and skier. Greg was experiencing knee pain that was beginning to effect his ability to do the activities he loves.

Greg has had both of his knees replaced with Ortho Development's Balanced Knee® System and has attempted to summit Mount Everest 3 times. This is Greg's story: