Possible Causes and Treatments
Several issues can cause your knees to give out.
Knee weakness and instability may begin suddenly or develop slowly over time.
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What Are the Signs and Symptoms of Knee Weakness?

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With some conditions, you may only experience the symptom of having unstable knees.
What Causes My Knee to Suddenly Give Out?
Connective tissues called ligaments connect bones to bones and help stabilize the joint.
There are two per kneeone on the inside and one on the outside.
A meniscus tear may occur with activities such as twisting, turning, and pivoting.
This is called patellar instability.
It may occur suddenly with movements, such as bending, or more gradually.
Symptoms include:
Arthritis
Arthritis, an inflammatory condition, can lead to the knee giving out.
There are many types of arthritis that can impact the knee.
These includeosteoarthritis,rheumatoid arthritis, andinflammatory arthritis.
Femoral nerve damage can make it feel like your knee could give out or is giving out.
It can also cause a tingling or burning pain around the knee.
MS can cause muscle weakness in the hamstring and quadriceps muscles that support the knee.
Who Is at Risk for Injuries Related to Knee Instability?
Risk factors for injuries related to knee weakness include:
How Is Knee Instability Diagnosed?
To diagnose knee instability your doctor will first take a detailed medical history.
You may also get a physical exam, as well as imaging tests done.
How Do You Treat Weak Knees?
Treatment for knee instability will vary depending on the specific cause.
A knee brace may also be used in some cases.
How Do You Prevent Knee Instability?
In some cases, this may help you avoid knee instability.
Depending on your diagnosis, treatment may include the RICE method, medication, and possibly surgery.
it’s possible for you to also try knee strengthening exercises and avoid overusing your knee.
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