What Causes Pain in the Back of the Knee?

The most common joint problems among the elderly in Singapore are in the knee and hip joints, but there are also those who suffer pain at the back of the knee. Are the causes for the pain and discomfort different from the factors that contribute to other types of joint pain?

Fatigue

Maybe you have been standing or sitting for hours, unable to stretch or move your legs properly. Sometimes forgetting to stretch before an exercise can also cause fatigue on the muscles and joints.

Hamstring Injury

This is common in people who do strenuous physical activities. The injury is usually found on the muscles in the back of the thigh but the pain can be felt almost throughout the leg.

ACL and PCL Injury

Another common injury among active people is the injury to the anterior cruciate ligament, a tissue that connects the bones in the knee joint. The first sign is a popping sound. It is considered a serious injury that can take months to fully heal. The posterior cruciate ligament has the same function as the ACL and injuries to this is usually the result of accidents.

Runner’s Knee

This is a term for the worn down cartilage in the knee joint. Without the protection, the bones can rub together and cause pain and swelling. This is usually felt as a dull pain in the back of the knee, limited movement, crackling, weakness, and even the giving out of the knee.

Leg Cramps

Even doing too much can cause pain in the back of the knee, too. Cramps are characterized by the tightness of the muscles or the sudden and painful spasms that can also be felt on the calves and knees. You can sometimes see this happen to athletes who need to be taken out of the game to recover. But cramps can also be caused by other conditions, so if this happens frequently, you should have it checked.

Osteoarthritis

Over time, the cartilage wears out because of use, but this process is faster in some people. the result is pain and inflammation in the joints, most commonly in the knees. There are many types of arthritis that can cause pain in the knees including autoimmune diseases like rheumatoid arthritis.

Meniscus Tears

If you hear a loud popping sound when you bent or moved, that could be a sign you have meniscus tears. It is also accompanied by loss od motion, weakness, swelling, or the locking up or giving out of the knee.

Baker’s Cyst

The cyst is the result of the buildup of fluid at the back of the knee. The cyst can be tiny and invisible, but sometimes they grow to small lumps that are visible. Small cysts do not cause pain and will usually go away even without treatment, but they are typically a symptom of a joint disease that causes inflammation. The larger cysts can also cause pain and a tingling sensation especially if it affects a nerve.

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