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Tendonitis is the most common injury to the knee. In general, it refers to an inflammation, irritation or tear of a tendon, the thick fibrous cords that attach muscles to bone. One of the most frequent types of tendonitis of the knee is pes anserinus tendonitis, which involves the pes anserinus tendons that lie on the inside and just below the knee joint and which prevent the lower leg from twisting outward while running. Middle-aged adult runners are most susceptible to the development of pes anserinus tendonitis, the most common form. Two other types of knee tendonitis are popliteus tendonitis and semi-membranous tendonitis.

Patellar tendonitis is inflammation of the patellar tendon, which attaches the kneecap to the tibia or shinbone.The patellar tendon helps your muscles extend your knee.

How Does Knee Tendonitis Develop?

Knee Tendonitis Treatment

Tendonitis is caused by overuse, injury or aging. The pain is usually the result of a small tear in or inflammation of the tendon. Tendonitis can also be associated with inflammatory diseases that occur throughout the body, such as rheumatoid arthritis. Popliteus tendonitis is caused by excessive inward rolling of the feet, called pronation, as well as running downhill, which tends to put excessive stress on this tendon and can cause it to tear or become inflamed. Pes anserine tendonitis, on the other hand, is characterized by inflammation of the medial knee, and often coexists with other knee disorders. Semi-membranous tendonitis is characterized by swelling over the posteromedial aspect of the knee and tenderness with resisted flexion or outward-turned strain.

Patellar tendonitis is an acute condition, such as knee pain following a run. If the tendon is stressed repeatedly, tiny tears can occur in the tendon. If this process persists, the tendon degenerates causing another more chronic tendon condition known as tendinosis.

 

Symptoms of Knee Tendonitis

Knee tendonitis commonly produces pain, tenderness and stiffness near a joint and is aggravated by movement. The inflamed tendons in the knee are usually painful when moved or touched, and the tendon sheaths may be visibly swollen from the accumulation of fluid and inflammation. Moving the joints near the tendon even slightly may also cause severe pain. The pain may be worse when ascending or descending stairs, when getting up from a seated position, and at night.

What Is the Typical Treatment for Tendonitis?

The typical treatment regime for tendonitis, such as knee tendonitis, rotator cuff tendonitis or patellar tendonitis, includes rest, ice, non-steroidal anti-inflammatory drugs (NSAIDs), and cortisone injections. Unfortunately, this approach is not able to strengthen the weakened tendon and, thus, does not alleviate the persistent pain that people with this condition experience. While ice, anti-inflammatory drugs and cortisone injections may produce short-term pain benefit, they actually inhibit the healing process, because they boost the degeneration of soft tissue and therefore accelerate cartilage degeneration. If the individual with tendonitis receives cortisone injections into the tendon, or if they take anti-inflammatories for a very long time, the tendonitis will become tendinosis. This means the tendon becomes degenerated.

Other modern medical treatment options include cryotherapy and massage. But again, although they may provide pain relief, they do not address the root of the problem – weakened and/or injured tendons and ligaments. When the patient tries these treatment modalities and the pain persists, patients who experience tendonitis may be referred to a surgeon. Unfortunately, surgery has consequences and side effects and may make the problem worse.

Using Regenerative Orthopedics to Treat Tendonitis

Knee Tendonitis TreatmentIn treating tendonitis, we recommend stimulating tendon repair and strengthening any weakened or lax ligaments with therapy that includes movement, exercise, and regenerative treatment. This approach will encourage the damaged tissues to heal as quickly as possible.  Keep in mind, when someone with tendonitis continues to work out while using pain medications or after receiving cortisone injections, they may block the pain, but the tendon will continue to degenerate. You may not feel it at the time, since the pain is being blocked, but more damage is being done to the tendon. It is better to stop the particular athletics that caused the tendonitis. Yes, movement and exercise are important, but it is necessary to proceed with an exercise that does not put a lot of tension on the tendon. Cycling and swimming are examples of this type of exercise, as long as they do not cause excessive pain. These types of exercise are recommended because movement encourages healing of the tendon.

Regenerative Orthopedics is used in cases of tendonitis, when the tendon does not continue to improve every week or if a tendonitis injury requires extra-quick healing, such as is the case with many athletes. When degeneration of the tendon has transpired, or tendinosis is present, the condition benefits tremendously from these treatments. When the tendon cannot heal on its own, an underlying ligament problem and joint instability may be occurring, allowing for too much movement of the knee joint. This movement irritates the tendon because the tendon is unable to contract against a stable knee. Regenerative Orthopedics strengthens both the weakened tendons and ligaments.

Comprehensive treatment to the knee involves multiple injections of PRP or a dextrose-based solution or both directed at the affected tendons, ligaments and other affected structures of the knee. This triggers the immune system to initiate repair of the injured tendons and ligaments. Blood supply dramatically increases at the injured area. The body is alerted that healing needs to take place and reparative cells are sent to the treated area of the knee in need of healing. The body also lays down new collagen at the treated areas, thereby strengthening the weakened structures. Once the tendons and ligaments are strengthened, the joint stabilizes and the tendonitis or tendinosis conditions resolve.

Think Regenerative Orthopedics May Be for You? Call us!

To schedule an appointment, call us on the same line 310-453-1234 and tell us more about your case. OrthoRegen® is a full-time Regenerative Orthopedics medical office with extensive experience in regenerative therapies such as the Gold Standard in Stem Cell therapy, Platelet Rich Plasma, and Prolotherapy regenerative injection solutions. Peter A. Fields, MD, DC is both an MD and a chiropractor.

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