What causes knee buckling?

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Knee buckling can be a sign of injury or damage to the knee. It can increase the risk of falling and can prolong recovery from knee problems.

Knee buckling is relatively common among adults. In one study, 11.8 percent of adults aged 36–94 reported at least one episode of knee buckling in the past 3 months. It can affect people of all ages and levels of fitness.

In this article, we look at the causes of knee buckling, exercises that can help, treatment, and when to see a doctor.

Many people associate knee buckling with osteoarthritis. However, one study found that more than half of the participants who reported episodes of knee buckling did not show any signs of arthritis in X-rays.

The complex structure of the knee joint can make it difficult to determine what is causing knee buckling.

The knee consists of two joints, which allow it to move in different directions. The knee has support from:

  • tendons, which connect the leg muscles to the knee bones
  • ligaments, which connect the knee bones together
  • cartilage, which allows smooth movement of the joints and acts as a shock absorber

It is possible to damage any of these different parts, sometimes in combination with other injuries to the knee. This can lead to instability in the knee and knee buckling.

Certain factors may be related to knee buckling. These include knee pain, which can occur for a variety of reasons, and weak muscles at the front of the leg…. more at https://www.medicalnewstoday.com/articles/322074.php