It is caused by overuse or trauma and results in repeated bleeds into the joint. If this membrane becomes inflamed it is called synovitis. The knee is a synovial hinge joint, and as such the joint is lined with a synovial membrane. The condition is often apparent during repetitive exercise such as climbing stairs. The reason for this is improper tracking, poor alignment or dislocation of the kneecap. It is caused by increased pressure on the lateral facet of the patella. This refers to dull aching pain underneath, around the sides or below kneecap. When a plica becomes inflamed, perhaps because of repetitive knee movement, trauma or twisting, it causes pain and weakness in the knee. About 50% of the population is thought to have the remains of the embryonic plicae. There were four of these folds in the knee joint originally, but they often become absorbed during foetal development. Plica SyndromeĪ plica is the fold in the thin synovial membrane that lines the knee joint. When the articular cartilage covering the surfaces of the bone wears away and becomes inflamed the bones come into contact with each other resulting in pain. This affects the underside of the kneecap (patella) and the trochlear groove in the femur in which it moves. Possible Causes of Pain Quadriceps tendonitis – this is caused by the irritation, strain or injury to the quadriceps tendon. This is the location of the quadriceps tendon which attaches the four large muscles of the front of the thigh to the knee cap. The diagram, below, is a handy guide to the possible reasons for your pain. You may be experiencing knee pain and want to know the possible causes. Knee pain could be the result of a problem with any one of these components, or a combination of several. The knee is a complex structure consisting of bone, cartilage, muscle, tendon, ligament, synovial fluid and nerves. However, apart from being the largest hinge joint in the body, it is also unusual in that it has a degree of rotational movement. Technically the knee is a synovial hinge joint, meaning that it is supplied with synovial fluid to lubricate movement and nourish the joint, and also moves forward and backwards like a hinge. Knee pain can vary in degree from being something which is a minor irritation or which causes slight concern to being a major problem impacting on your mobility and way of life. 31st December 2019 Knee Pain Location Chart By Mr.
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