Knee hyperextension is an injury that occurs when this joint has to extend backward beyond its normal range of motion. When this happens, a lot of stress is put on the structures of the knee and the back of the knee.
This injury can be suffered by anyone, since it is usually caused by falling badly after a jump. However, it is usually more common in people who play sports. The injury can damage ligaments, cartilage, and other structures that contribute to joint stability.
In addition, it is worth mentioning that, in young children, this condition can lead to a detachment of a small piece of the main bone if the ligaments are stretched too much. This is due to the fact that people in the younger ages have softer bones, since they are in a period of growth.
In older children and adults, hyperextension of the knee can cause a tear in a ligament in the knee, specifically the anterior cruciate ligament.
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