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Causes Of Knee Pain

There can be many causes of knee pain, like injuries, different types of arthritis, some mechanical problems, and others.

Injuries

Various ligaments, tendons, and bursae are affected by a knee injury. It surrounds the knee joint as well as the bones, cartilage, and ligaments are responsible for the formation of the joint itself. Some very common knee injuries are:

• ACL injury: An ACL surgery is done to signify the tear in the anterior cruciate ligament (ACL). It is one of the four ligaments that act as a connection between your Shinbone and thigh bone. The surgery is particularly common in people who are basketball players who are involved in other sports like soccer, which requires a certain change in direction. 
• Fractures: The knee bones are very prone to be broken in the cases of falls or auto accidents. At the same time, People who have weaker bones due to lso, osteoporosis can sometimes sustain a knee fracture simply by stepping wrong.
• Torn meniscus: The tough and rubbery cartilage that acts as a shock absorber between your shinbone and the thigh bone is called the meniscus. It can easily break down if you used your name while bearing weight on it. 
• Knee bursitis: Some knee injuries cause inflammation in the bursae. These are the small sacs of fluid that fill the outside portion of your knee joint so that tendons and ligaments glide smoothly over the joint.
• Patellar tendinitis: It is one of the most common reasons for irritation and information between one or more tendons, which are the thick, fibrous tissues that attach muscles to bones. This swelling can be caused due to an injury in the patellar tendon that starts from the knee cap and runs to the shinbone. It allows you to kick, run and jump. Runners, skiers, cyclists, and those involved in jumping sports and activities may develop patellar tendinitis.

Mechanical problems

Some examples of mechanical problems that can cause knee pain include:

• Loose body: Sometimes an injury or degeneration in the bone or cartilage of the knee can cause some part of the bone and cartilage to break off and float in the space of the joint. It may not create any problem as such unless the loose body interferes with the movement of the knee joint.
• Iliotibial band syndrome. This generally happens when a rough band of tissues from outside of your hip to the outside of your knee becomes so tight that it starts rubbing against the outer portion of your thigh bone. Distance runners and cyclists are especially susceptible to iliotibial band syndrome.
• Dislocated kneecap. This occurs when the triangular bone that covers the front of your knee (patella) slips out of place, usually to the outside of your knee. In some cases, the kneecap may stay displaced and you’ll be able to see the dislocation.
• Hip or foot pain. If you have hip or foot pain, you may change the way you walk to spare your painful joint. But this altered gait can place more stress on your knee joint and cause knee pain.

Arthritis has several different types.

There are over 100 different forms of arthritis. The following are the kinds that are most likely to impact the knee:

• Osteoarthritis. Osteoarthritis, often known as degenerative arthritis, is the most frequent type of arthritis. It’s a wear-and-tear condition in which the cartilage in your knee deteriorates as a result of use and age.
• Rheumatoid arthritis. It is a type of arthritis that has an effect on the joints. This is the most debilitating form of arthritis. Rheumatoid arthritis, often known as RA, is an autoimmune disease that can affect practically any joint in your body, including your knees. Although rheumatoid arthritis is a chronic condition, its severity varies and it can come and go.
• Gout. Uric acid crystals form in the joints, causing this type of arthritis. Gout is most usually associated with the big toe, although it can also affect the knee.
• Pseudogout. Pseudogout is caused by calcium-containing crystals that form in the joint fluid and is frequently mistaken for gout. The most common joint afflicted by pseudogout is the knee.
• Septic arthritis. Swelling, discomfort, and redness can occur when your knee joint becomes infected. Septic arthritis is characterized by a fever and the absence of trauma prior to the onset of pain. Septic arthritis can swiftly destroy the cartilage in the knees. See your doctor straight away if you experience knee pain and any of the signs of septic arthritis.

Other problems

The phrase “patellofemoral pain syndrome” refers to pain that originates between the kneecap and the underlying thighbone. It’s frequent in athletes, young adults, especially those whose kneecaps don’t track well in their grooves, and elderly adults, who usually get it as a result of kneecap arthritis.