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Learn about the causes of "knocking" the knee ... the most prominent of which are sudden rotation and cartilage injury


The sound of "crackling" suddenly coming from your knee is a disturbing thing, and the reason for this must be known, especially since the lack of concern and neglect of the matter and the continued walking on the foot may lead to the occurrence of a problem, and may reach the need for knee surgery, according to a report by the healthline website.


Possible causes of knocking the knee

Tear of the anterior cruciate ligament

 

A characteristic sign of an ACL tear in the knee is a loud popping sound, usually followed by severe pain. You may not be able to stand or bear weight on the affected leg.


Sudden rotation

 

Sudden rotation, or direct pressure, can tear one of two pieces of cartilage caught between the femur and shinbone. This type of injury, known as a meniscus tear, is known as a cracking noise. Pain, swelling, difficulty moving, and a sensation of instability may follow. You also feel a strange slipping sensation if the cartilage becomes loose and blocks your knee joint.


Cartilage injury


If part of the cartilage is damaged, a cracking noise can occur as your knee moves back and forth.


Patellar tendon rupture

 

The patellar tendon connects the top of the shin bone to the top of the kneecap. You can become inflamed, which is known as patellar tendinitis, or it can tear. You may hear a tear or cracking sound. If a tear you may not be able to straighten your leg, and you may feel your knee moving up into your thigh You may also experience some pain, cramping, bruising and indentation at the bottom of the kneecap.


Knee osteoarthritis


Knee osteoarthritis, also known as osteoarthritis, develops when the cartilage that separates the bones in the knee joint fractures. When you move your knee, you can feel the bones hitting or colliding with each other, which can cause popping sounds.

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