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Causes of Pain Behind The Knee
One of the most common symptom that you will ever have for your knee is pain behind your knee! There are many types of causes of pain that comes behind your knee. The majority of the pain comes from the arthritic knee joints which is basically wear and tear of the knee joint. When your knee joint is worn out, the knee goes into muscle spasm and inflammation. Thus, you may get sharp or burning aching pain behind your knee! Sometimes, you may even get pins and needles and occasionally numbness.
The pain is worse when you put all or most of your body weight on to the knee by such activities such as bending down or standing on one leg (for instance going up stairs). If you have that pain, then the most likely cause of pain that is behind the knee is arthritis of the knee!
The meniscus is also one of the main causes of pain that is behind the knee. The meniscus is responsible for absorbing the shock in your knee joint and also preventing your knee from twisting too far. So if you your knee clicks or hurts when you quickly move your leg very fast or do fast turns, then you have a meniscus problem that is causing pain that is behind the knee. This occurs most often with people who do high impact sports like football, soccer and basketball because they are quickly running and turning at high speeds.
The popliteus is a muscle behind the knee that supports the knee joint from the back. It is an important muscle that helps the knee hold together. If you have knee pain that occurs at the back of it, this is one probable cause of knee pain. This muscle can be injured by getting strained or squashed in between other muscles like the hamstrings and calves.
If you look at this muscle closely on yourself, it is basically that big bulgy muscle behind your knee. You can also see that you have big hamstring muscles that cross and insert on the side and below of this muscle. Same with your calf (gastrocnemius) muscle. This muscle also crosses and inserts on the side and above the muscle. Hence, this muscle is trapped in between these two big muscles. So if any one of these muscles are injured or very tight, then this (popliteus) muscle we also get very tight. If both are tight and injured, then it is highly likely that this popliteus muscle will be strained and constricted, thus causing pain behind your knee!
Treatment is simple with this problem because you can help this pain by releasing all the muscle tension in your hamstrings and calf muscles. A health professional like a physical therapist, chiropractor or osteopath can help immensely with this problem and also the above issues above. There are also many other types of treatment you can get like massage machines, TENS machine and many other sorts!